diff --git a/packages/centro/.eslintrc.json b/packages/centro/.eslintrc.json
new file mode 100644
index 0000000000000000000000000000000000000000..357f200a52385e0e4edb20f5e4865ccb7164e9d6
--- /dev/null
+++ b/packages/centro/.eslintrc.json
@@ -0,0 +1,30 @@
+{
+    "env": {
+        "es6": true,
+        "node": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "sourceType": "module",
+        "ecmaVersion": 6
+    },
+    "rules": {
+        "indent": [
+            "error",
+            4
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "single"
+        ],
+        "semi": [
+            "error",
+            "always"
+        ],
+        "no-console": 0
+    }
+}
diff --git a/packages/centro/.jsbeautifyrc b/packages/centro/.jsbeautifyrc
new file mode 100644
index 0000000000000000000000000000000000000000..9fc7b24a2071fe5fc7d31f0c8378aab9de81cf6d
--- /dev/null
+++ b/packages/centro/.jsbeautifyrc
@@ -0,0 +1,19 @@
+{
+    "indent_with_tabs": false,
+    "indent_size": 4,
+    "indent_level": 0,
+    "preserve_newlines": true,
+    "max_preserve_newlines": 4,
+    "space_in_paren": true,
+    "space_before_conditional": true,
+    "jslint_happy": false,
+    "keep_array_indentation": false,
+    "keep_function_indentation": false,
+    "eval_code": false,
+    "unescape_strings": false,
+    "break_chained_methods": false,
+    "e4x": false,
+    "wrap_line_length": 0,
+    "good_stuff": true,
+    "brace_style": "collapse,preserve-inline"
+}
\ No newline at end of file
diff --git a/packages/centro/.npmignore b/packages/centro/.npmignore
new file mode 100644
index 0000000000000000000000000000000000000000..80fcba8c03e4b626f64d8632f74bdba3ed1c6da7
--- /dev/null
+++ b/packages/centro/.npmignore
@@ -0,0 +1,3 @@
+node_modules/
+public/components
+.sass-cache
\ No newline at end of file
diff --git a/packages/centro/.travis.yml b/packages/centro/.travis.yml
new file mode 100644
index 0000000000000000000000000000000000000000..051862b4c6d2ca23be3a3f35d0d70a1f38345c35
--- /dev/null
+++ b/packages/centro/.travis.yml
@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+  - '8'
+before_script:
+  - npm install -g grunt-cli
diff --git a/packages/centro/Gruntfile.js b/packages/centro/Gruntfile.js
new file mode 100644
index 0000000000000000000000000000000000000000..9a06428bc2f5e4f1b8a2523a3519b83e34c82b99
--- /dev/null
+++ b/packages/centro/Gruntfile.js
@@ -0,0 +1,78 @@
+'use strict';
+
+module.exports = function( grunt ) {
+    // load all grunt tasks
+    require( 'load-grunt-tasks' )( grunt );
+
+    var reloadPort = 35730;
+
+    grunt.initConfig( {
+        pkg: grunt.file.readJSON( 'package.json' ),
+        // development-mode that runs both nodemon and watch concurrently
+        // to take care of automatically rebooting server and reloading page
+        concurrent: {
+            develop: {
+                tasks: [ 'nodemon', 'watch' ],
+                options: {
+                    logConcurrentOutput: true
+                }
+            }
+        },
+        nodemon: {
+            dev: {
+                script: './app.js',
+                options: {
+                    watch: [ 'app', 'config' ],
+                    env: {
+                        NODE_ENV: 'development',
+                        DEBUG: '*, -express:*, -send'
+                    }
+                }
+            }
+        },
+        watch: {
+            options: {
+                nospawn: true,
+                livereload: reloadPort
+            },
+            js: {
+                files: [
+                    'app.js',
+                    'app/**/*.js',
+                    'config/*.js'
+                ],
+                tasks: [ 'develop' ]
+            },
+            views: {
+                files: [
+                    'app/views/*.jade',
+                    'app/views/**/*.jade'
+                ],
+                options: {
+                    livereload: reloadPort
+                }
+            }
+        },
+        sass: {
+            compile: {
+                files: {
+                    'public/css/error.css': 'app/views/style/error.scss',
+                    'public/css/main.css': 'app/views/style/main.scss'
+                }
+            }
+        },
+        mochaTest: {
+            test: {
+                options: {
+                    reporter: 'spec'
+                },
+                src: [ 'test/**/*.spec.js' ]
+            }
+        },
+    } );
+
+    grunt.registerTask( 'test', [ 'mochaTest' ] );
+    grunt.registerTask( 'build', [ 'sass' ] );
+    grunt.registerTask( 'develop', [ 'concurrent:develop' ] );
+    grunt.registerTask( 'default', [ 'jshint', 'build' ] );
+};
\ No newline at end of file
diff --git a/packages/centro/LICENSE b/packages/centro/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..ad410e11302107da9aa47ce3d46bd5ad011c4c43
--- /dev/null
+++ b/packages/centro/LICENSE
@@ -0,0 +1,201 @@
+Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
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+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
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+      including but not limited to software source code, documentation
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+
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+      transformation or translation of a Source form, including but
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+
+      "Work" shall mean the work of authorship, whether in Source or
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+
+      "Derivative Works" shall mean any work, whether in Source or Object
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+      of this License, Derivative Works shall not include works that remain
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+      "Contribution" shall mean any work of authorship, including
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+      to the Licensor or its representatives, including but not limited to
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+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
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+   2. Grant of Copyright License. Subject to the terms and conditions of
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+   4. Redistribution. You may reproduce and distribute copies of the
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+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
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+
+      (d) If the Work includes a "NOTICE" text file as part of its
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+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright {yyyy} {name of copyright owner}
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
\ No newline at end of file
diff --git a/packages/centro/README.md b/packages/centro/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..a18f2ccedc40e028bce40039fd33183d1ca90f1a
--- /dev/null
+++ b/packages/centro/README.md
@@ -0,0 +1,34 @@
+centro [![Build Status](https://travis-ci.org/enketo/centro.png)](https://travis-ci.org/enketo/centro)
+=============
+
+A basic scaffolding of an ODK-compliant server for use with Enketo and ODK Collect. 
+
+**No database - forms and submissions are stored as files.**
+
+implements:
+
+* [formList API](https://bitbucket.org/javarosa/javarosa/wiki/FormListAPI)
+
+future:
+
+* [submission API](https://bitbucket.org/javarosa/javarosa/wiki/FormSubmissionAPI)
+* [authentication API](https://bitbucket.org/javarosa/javarosa/wiki/AuthenticationAPI)
+
+### Pre-requisites
+* NodeJS 8+ and npm
+
+### Install
+* install dependencies with `npm install`
+* build with `grunt`
+
+### Use
+* place XForm in /storage/forms
+* configure Enketo or ODK Collect to use this server
+
+### Run
+* run with `node .` or `npm start`
+
+### Develop
+* install [nodemon](https://github.com/remy/nodemon)
+* run with `grunt develop` or `NODE_ENV=development node app.js`
+* test with `grunt test`
diff --git a/packages/centro/app.js b/packages/centro/app.js
new file mode 100644
index 0000000000000000000000000000000000000000..054c09028abe8ea84c62fb543e7863427bf227fc
--- /dev/null
+++ b/packages/centro/app.js
@@ -0,0 +1,22 @@
+const cluster = require( 'cluster' );
+const numCPUs = require( 'os' ).cpus().length;
+
+if ( cluster.isMaster ) {
+    // Fork workers.
+    for ( var i = 0; i < numCPUs; i++ ) {
+        cluster.fork();
+    }
+
+    cluster.on( 'exit', ( worker, code, signal ) => {
+        console.log( 'Worker ' + worker.process.pid + ' sadly passed away. It will be reincarnated.' );
+        cluster.fork();
+    } );
+} else {
+    const app = require( './config/express' );
+    const server = app.listen( app.get( 'port' ), () => {
+        let worker = ( cluster.worker ) ? cluster.worker.id : 'Master';
+        let msg = 'Worker ' + worker + ' ready for duty at port ' + server.address().port + '! (environment: ' + app.get( 'env' ) + ')';
+        console.log( msg );
+    } );
+    server.timeout = 6 * 60 * 1000;
+}
\ No newline at end of file
diff --git a/packages/centro/app/controllers/form.js b/packages/centro/app/controllers/form.js
new file mode 100644
index 0000000000000000000000000000000000000000..705066a327b4b4efac3fa9c9ed9373ef9ab197e6
--- /dev/null
+++ b/packages/centro/app/controllers/form.js
@@ -0,0 +1,49 @@
+'use strict';
+
+const router = require( 'express' ).Router();
+const fs = require( 'fs' );
+//const debug = require( 'debug' )( 'form controller' );
+const manifest = require( '../models/formManifest' );
+const path = require( 'path' );
+const formStoragePath = path.resolve( __dirname, '../../storage/forms' );
+
+module.exports = function( app ) {
+    app.use( '/form', router );
+};
+
+router
+    .param( 'formId', ( req, res, next, id ) => {
+        req.formId = id;
+        next();
+    } )
+    .param( 'filename', ( req, res, next, id ) => {
+        req.filename = id;
+        next();
+    } );
+
+router
+    .get( '*', function( req, res, next ) {
+        // console.log( 'xform/media Authorization request header', req.headers.authorization );
+        next();
+    } )
+    .get( '/:formId/form.xml', ( req, res, next ) => {
+        res.set( {
+            'Content-Type': 'text/xml'
+        } );
+        fs.createReadStream( path.join( formStoragePath, req.formId + '.xml' ) ).pipe( res );
+    } )
+    .get( '/:formId/manifest.xml', ( req, res, next ) => {
+        res.set( {
+            'Content-Type': 'text/xml'
+        } );
+        manifest.get( req.formId, req.protocol + '://' + req.headers.host )
+            .then( manifest => {
+                res.send( manifest.toString() );
+            } )
+            .catch( next );
+    } )
+    .get( '/:formId/media/:filename', ( req, res, next ) => {
+        const file = fs.createReadStream(path.join( formStoragePath, req.formId + '-media', req.filename ) );
+        res.contentType(req.params.filename);
+        file.pipe( res );
+    } );
\ No newline at end of file
diff --git a/packages/centro/app/controllers/formlist.js b/packages/centro/app/controllers/formlist.js
new file mode 100644
index 0000000000000000000000000000000000000000..cf9f88cb9c947992fb118378196457b55e955d4e
--- /dev/null
+++ b/packages/centro/app/controllers/formlist.js
@@ -0,0 +1,24 @@
+const router = require( 'express' ).Router();
+// const debug = require( 'debug' )( 'formlist controller' );
+const formList = require( '../models/formList' );
+
+module.exports = function( app ) {
+    app.use( '/formList', router );
+    app.use( '/xformsList', router );
+};
+
+router
+    .get( '*', ( req, res, next ) => {
+        // console.log( 'formlist auth request header', req.headers.authorization );
+        next();
+    } )
+    .get( '/', ( req, res, next ) => {
+        formList.get( req.protocol + '://' + req.headers.host, req.query.formID, req.query.verbose )
+            .then( ( formList ) => {
+                res.set( {
+                    'Content-Type': 'text/xml'
+                } );
+                res.send( formList.toString() );
+            } )
+            .catch( next );
+    } );
\ No newline at end of file
diff --git a/packages/centro/app/controllers/home.js b/packages/centro/app/controllers/home.js
new file mode 100644
index 0000000000000000000000000000000000000000..f6c7741782dd22270b713bfc9f21eede48e3f382
--- /dev/null
+++ b/packages/centro/app/controllers/home.js
@@ -0,0 +1,13 @@
+'use strict';
+
+const express = require( 'express' );
+const router = express.Router();
+
+module.exports = ( app ) => app.use( '/', router );
+
+router.get( '/', ( req, res, next ) => {
+
+    res.render( 'index', {
+        title: req.app.get( 'name' ) + ' - a brand new server for the OpenRosa/ODK ecosystem'
+    } );
+} );
\ No newline at end of file
diff --git a/packages/centro/app/controllers/submission.js b/packages/centro/app/controllers/submission.js
new file mode 100644
index 0000000000000000000000000000000000000000..d5ab4c9e3de90fae18b43297fd539dd089ea0682
--- /dev/null
+++ b/packages/centro/app/controllers/submission.js
@@ -0,0 +1,81 @@
+'use strict';
+
+const router = require( 'express' ).Router();
+const busboy = require( 'busboy' );
+const config = require( '../../config/config' );
+// const submission = require( '../models/submission' );
+const debug = require( 'debug' )( 'submission controller' );
+module.exports = ( app ) => {
+    app.use( '/submission', router );
+    app.use( '/fieldsubmission', router );
+};
+
+router
+    .all( '*', ( req, res, next ) => {
+        // console.log( 'submission request Authorization headers', req.headers.authorization );
+        res.set( {
+            'X-OpenRosa-Version': '1.0',
+            'X-OpenRosa-Accept-Content-Length': config[ 'max submission size' ] || 50 * 1024 * 1024
+        } );
+
+        //if ( !req.headers[ 'x-openrosa-version' ] || req.headers[ 'x-openrosa-version' ] !== '1.0' ) {
+        //    error = new Error( 'This server only supports OpenRosa 1.0 clients' );
+        //    error.status = 400;
+        //    next( error );
+        //} else {
+
+        next();
+        //}
+    } )
+    .head( '/', ( req, res, next ) => {
+        res.status( 204 );
+        res.end();
+    } )
+    .post( '/', ( req, res, next ) => {
+        const bb = busboy( {
+            headers: req.headers
+        } );
+
+        bb.on( 'file', ( fieldname, stream, filename, transferEncoding, mimeType ) => {
+            //if ( fieldname === 'xml_submission_file' ) { }
+            console.log( 'file:', fieldname, filename, mimeType, stream );
+            // do nothing with stream
+            stream.resume();
+        } );
+
+        // What to do? 
+        // Save as temporary files and pass the paths to the submission model?
+        // Pass XML submission as string?
+        // What would work the best under heavy load?
+        bb.on( 'close', () => {
+            //return submission.set( xmlData, files)
+            return Promise.resolve({ status: 201, xml: '<ok/>' })
+            .then( function( response ) {
+                res.set( {
+                    'Content-Type': 'text/xml'
+                } );
+                res.status(response.status)
+                    .send( response.xml );
+            } )
+            .catch( next );
+        });
+
+        bb.on('error', next);
+
+        req.pipe( bb );
+    } )
+    .put( '/*', function( req, res, next ) {
+        console.log( 'put' );
+        //const bb = busboy( {   headers: req.headers} );
+
+        setTimeout( function() {
+            console.log( 'going to return OK' );
+            res.status( 201 ).send( '<ok/>' );
+        }, 0.2 * 1000 );
+        //req.pipe( bb );
+
+    } )
+    .all( '*', function( req, res, next ) {
+        res.status( 405 );
+        res.send( 'you are bad!' );
+    } );
\ No newline at end of file
diff --git a/packages/centro/app/lib/utils.js b/packages/centro/app/lib/utils.js
new file mode 100644
index 0000000000000000000000000000000000000000..efd2b767ff32f49163ddbc58093bc2d1ce905d0b
--- /dev/null
+++ b/packages/centro/app/lib/utils.js
@@ -0,0 +1,12 @@
+const crypto = require( 'crypto' );
+//const debug = require( 'debug' )( 'utils' );
+
+function _md5( message ) {
+    let hash = crypto.createHash( 'md5' );
+    hash.update( message );
+    return hash.digest( 'hex' );
+}
+
+module.exports = {
+    md5: _md5
+};
\ No newline at end of file
diff --git a/packages/centro/app/models/MediaFile.js b/packages/centro/app/models/MediaFile.js
new file mode 100644
index 0000000000000000000000000000000000000000..c9ec9a1cf388533d069d3123dd7b38487dbb0f93
--- /dev/null
+++ b/packages/centro/app/models/MediaFile.js
@@ -0,0 +1,52 @@
+'use strict';
+
+const url = require( 'url' );
+const path = require( 'path' );
+const fs = require( 'fs' );
+const utils = require( '../lib/utils' );
+// let debug = require( 'debug' )( 'MediaFile model' );
+
+// MOVE THIS
+const FORMSTORAGEPATH = path.resolve( __dirname, '../../storage/forms' );
+
+class MediaFile {
+
+    constructor( filename, id ) {
+        this.mediaPath = path.join( FORMSTORAGEPATH, id + '-media', filename );
+        this.id = id;
+        this.filename = filename;
+    }
+
+    initialize() {
+        const file = this;
+        return new Promise( ( resolve, reject ) => {
+            fs.readFile( this.mediaPath, ( error, data ) => {
+                if ( error ) {
+                    reject( error );
+                } else {
+                    file.content = data;
+                    resolve( true );
+                }
+            } );
+        } );
+    }
+
+    getProperties( baseUrl ) {
+        let mediaFile = this;
+
+        return this.initialize()
+            .then( () => {
+                return { filename: mediaFile._getFilename(), hash: mediaFile._getHash(), downloadUrl: mediaFile._getDownloadUrl( baseUrl ) };
+            } );
+
+    }
+
+    _getFilename() { return this.filename; }
+
+    _getHash() { return `md5: ${utils.md5( this.content)}`; }
+
+    _getDownloadUrl( baseUrl ) { return url.resolve( baseUrl, path.join( '/form/', this.id, '/media', this.filename ) ); }
+
+}
+
+module.exports = MediaFile;
\ No newline at end of file
diff --git a/packages/centro/app/models/Xform.js b/packages/centro/app/models/Xform.js
new file mode 100644
index 0000000000000000000000000000000000000000..5dab0ae778bd826329d8b0def4dddd4709824184
--- /dev/null
+++ b/packages/centro/app/models/Xform.js
@@ -0,0 +1,139 @@
+'use strict';
+
+const fs = require( 'fs' );
+const path = require( 'path' );
+const url = require( 'url' );
+const utils = require( '../lib/utils' );
+const libxmljs = require( 'libxmljs' );
+// const debug = require( 'debug' )( 'Xform model' );
+
+// TODO move
+const FORMSTORAGEPATH = path.resolve( __dirname, '../../storage/forms' );
+
+class Xform {
+
+    constructor( id ) {
+        this.id = id;
+        this.path = path.join( FORMSTORAGEPATH, id + '.xml' );
+    }
+
+    initialize() {
+        const xform = this;
+        return new Promise( function( resolve, reject ) {
+            // mimicking future async db query
+            fs.readFile( xform.path, 'utf-8', ( error, data ) => {
+                if ( error ) {
+                    reject( error );
+                } else {
+                    xform.data = data;
+                    //that.data = '<data>dfdsa';
+                    try {
+                        xform.doc = libxmljs.parseXml( xform.data );
+                        xform.namespaces = xform._getNamespaces();
+                        //debug( 'defaultNamespace', JSON.stringify( that.defaultNamespace[ 0 ] ) );
+                        resolve( true );
+                    } catch ( e ) {
+                        const err = new Error( 'XML Error in form "' + xform.id + '": ' + JSON.stringify( e ) );
+                        reject( err );
+                    }
+                }
+            } );
+        } );
+    }
+
+    getProperties( baseUrl, verbose ) {
+        const xform = this;
+
+        return this.initialize()
+            .then( () => {
+                const props = {
+                    formID: xform._getFormId(),
+                    name: xform._getName(),
+                    majorMinorVersion: xform._getMajorMinorVersion(),
+                    version: xform._getVersion(),
+                    hash: xform._getHash(),
+                    downloadUrl: xform._getDownloadUrl( baseUrl )
+                };
+
+                if ( verbose ) {
+                    props.descriptionText = xform._getDescriptionText();
+                    props.descriptionUrl = xform._getDescriptionUrl();
+                }
+
+                return xform._getManifestUrl( baseUrl )
+                    .then( function( manifestUrl ) {
+                        if ( manifestUrl ) {
+                            props.manifestUrl = manifestUrl;
+                        }
+                        return props;
+                    } );
+            } );
+    }
+
+    _getNamespaces() {
+        // TODO: extract these from this.doc instead
+        return {
+            xmlns: 'http://www.w3.org/2002/xforms',
+            h: 'http://www.w3.org/1999/xhtml',
+            jr: 'http://openrosa.org/javarosa',
+            orx: 'http://openrosa.org/xforms',
+            xsd: 'http://www.w3.org/2001/XMLSchema',
+            ev: 'http://www.w3.org/2001/xml-events'
+        };
+    }
+
+    _getFormId() {
+        let id = this.doc.get( '//xmlns:model/xmlns:instance/node()[@id]', this.namespaces );
+        if ( !id ) {
+            throw new Error( 'id attribute not found for form "' + this.id + '"' );
+        }
+        // there has to be a better way to get this id and version...
+        id = id.attr( 'id' ).toString();
+        return id.substring( 5, id.length - 1 );
+    }
+
+    _getName() {
+        const title = this.doc.get( '//h:head/h:title', this.namespaces );
+
+        if ( !title ) {
+            throw new Error( 'title element not found for form "' + this.id + '"' );
+        }
+        return title.text();
+    }
+
+    _getMajorMinorVersion() { return ''; }
+
+    _getVersion() {
+        let version = this.doc.get( '//xmlns:model/xmlns:instance/node()[@version]', this.namespaces );
+        if ( !version ) {
+            return '';
+        }
+        // there has to be a better way to get this version...
+        version = version.attr( 'version' ).toString();
+        return version.substring( 10, version.length - 1 );
+    }
+
+    _getHash() { return 'md5:' + utils.md5( this.data ); }
+
+    _getDescriptionText() { return this._getName(); }
+
+    _getDescriptionUrl() { return ''; }
+
+    _getDownloadUrl( baseUrl ) { return url.resolve( baseUrl, path.join( 'form', this.id, 'form.xml' ) ) }
+
+    _getManifestUrl( baseUrl ) {
+        const xform = this;
+
+        return new Promise( ( resolve, reject ) => {
+            fs.readdir( path.join( FORMSTORAGEPATH, xform.id + '-media' ), ( error, files ) => {
+                if ( error || files.length === 0 ) {
+                    resolve( null );
+                } else {
+                    resolve( url.resolve( baseUrl, path.join( '/form/', xform.id, '/manifest.xml' ) ) );
+                }
+            } );
+        } );
+    }
+}
+
+module.exports = Xform;
\ No newline at end of file
diff --git a/packages/centro/app/models/formList.js b/packages/centro/app/models/formList.js
new file mode 100644
index 0000000000000000000000000000000000000000..c9811e1179c7aebbf301a3f787a91f19b16b967f
--- /dev/null
+++ b/packages/centro/app/models/formList.js
@@ -0,0 +1,58 @@
+// TODO: test and improve error handling (e.g invalid XML)
+const fs = require( 'fs' );
+const path = require( 'path' );
+const Xform = require( './Xform' );
+const libxmljs = require( 'libxmljs' );
+const debug = require( 'debug' )( 'formList model' );
+
+// TODO: remove
+const FORMSTORAGEPATH = path.resolve( __dirname, '../../storage/forms' );
+
+function getXFormList( baseUrl, formId, verbose ) {
+    const formList = new libxmljs.Document();
+    const xforms = formList.node( 'xforms' );
+    const tasks = [];
+
+    // set namespace
+    xforms.namespace( 'http://openrosa.org/xforms/xformsList' );
+
+    return new Promise( ( resolve, reject ) => {
+        // find the forms in storage
+        fs.readdir( FORMSTORAGEPATH, ( error, files ) => {
+            if ( error ) {
+                reject( error );
+            } else {
+                files.forEach( file => {
+                    if ( file.indexOf( '.xml' ) >= 0 ) {
+                        const id = file.substring( 0, file.length - 4 );
+                        // not efficient if formId provided
+                        // a database solution should query the database for only the record with the
+                        // requested formID
+                        //console.log( 'checking', formId, id, formId === id );
+                        //if ( formId && id === formId || !formId ) {
+                        tasks.push( new Xform( id ).getProperties( baseUrl, verbose ) );
+                        //}
+                    }
+                } );
+                return Promise.all( tasks )
+                    .then( results => {
+                        results.forEach( formObj => {
+                            const xform = xforms.node( 'xform' );
+                            for ( const property in formObj ) {
+                                xform.node( property, formObj[ property ] );
+                            }
+                        } );
+                        resolve( formList );
+                    } )
+                    .catch( error => {
+                        debug( 'error in getXFormList', error );
+                        reject( error );
+                    } );
+            }
+        } );
+    } );
+}
+
+module.exports = {
+    get: getXFormList
+};
\ No newline at end of file
diff --git a/packages/centro/app/models/formManifest.js b/packages/centro/app/models/formManifest.js
new file mode 100644
index 0000000000000000000000000000000000000000..f7f8acad45b964a44099b7f89dbb6d1a4e3d6f66
--- /dev/null
+++ b/packages/centro/app/models/formManifest.js
@@ -0,0 +1,48 @@
+const fs = require( 'fs' );
+const path = require( 'path' );
+const libxmljs = require( 'libxmljs' );
+const MediaFile = require( './MediaFile' );
+//const debug = require( 'debug' )( 'formManifest model' );
+
+const FORMSTORAGEPATH = path.resolve( __dirname, '../../storage/forms' );
+
+function getManifest( id, baseUrl ) {
+    const doc = new libxmljs.Document();
+    const manifest = doc.node( 'manifest' );
+    const tasks = [];
+
+    manifest.namespace( 'http://openrosa.org/xforms/xformsManifest' );
+
+    return new Promise( ( resolve, reject ) => {
+        fs.readdir( path.join( FORMSTORAGEPATH, id + '-media' ), ( error, files ) => {
+            if ( error || files.length === 0 ) {
+                reject( error );
+            } else {
+                files.forEach( file => {
+                    if ( file.indexOf( '.' ) !== 0 ) {
+                        tasks.push( new MediaFile( file, id ).getProperties( baseUrl ) );
+                    }
+                } );
+
+                return Promise.all( tasks )
+                    .then( results => {
+                        results.forEach( mediaObj => {
+                            const mediaFile = manifest.node( 'mediaFile' );
+                            for ( const property in mediaObj ) {
+                                mediaFile.node( property, mediaObj[ property ] );
+                            }
+                        } );
+                        resolve( manifest );
+                    } )
+                    .catch( error => {
+                        // debug( 'error in manifest creation', error );
+                        reject( error );
+                    } );
+            }
+        } );
+    } );
+}
+
+module.exports = {
+    get: getManifest
+};
\ No newline at end of file
diff --git a/packages/centro/app/views/error.pug b/packages/centro/app/views/error.pug
new file mode 100644
index 0000000000000000000000000000000000000000..fb76f6aa8313c0744d8a7f9ba17da47c9e20c5a6
--- /dev/null
+++ b/packages/centro/app/views/error.pug
@@ -0,0 +1,11 @@
+extends layout
+
+block css
+  link(rel='stylesheet', href='/css/error.css') 
+
+block content
+  h1.error= message
+    if code
+      span.status-code Error Code: #{code}
+  if stack
+    pre #{stack}
diff --git a/packages/centro/app/views/index.pug b/packages/centro/app/views/index.pug
new file mode 100644
index 0000000000000000000000000000000000000000..1b0a5e2dadcc975145c266d5fc61ac0ab2ac1899
--- /dev/null
+++ b/packages/centro/app/views/index.pug
@@ -0,0 +1,7 @@
+extends layout
+
+block content
+  h1= title
+  p Welcome to #{title}
+  ul.forms
+  p: a(href="/formList") formList
diff --git a/packages/centro/app/views/layout.pug b/packages/centro/app/views/layout.pug
new file mode 100644
index 0000000000000000000000000000000000000000..eb4d2f5f3d328f93fc472ee791046b142af3d263
--- /dev/null
+++ b/packages/centro/app/views/layout.pug
@@ -0,0 +1,13 @@
+doctype html
+html(lang='en')
+  head
+    meta(charset='UTF-8')
+    meta(name='viewport', content='width=device-width')
+    title= title
+    block css
+      link(rel='stylesheet', href='/css/main.css')
+    block js
+    if environment = 'development'
+      script(src="//localhost:35730/livereload.js")
+  body
+    block content
diff --git a/packages/centro/app/views/style/error.scss b/packages/centro/app/views/style/error.scss
new file mode 100644
index 0000000000000000000000000000000000000000..fcf6fbb64272b25297a07ce4ebbf21e6134505ac
--- /dev/null
+++ b/packages/centro/app/views/style/error.scss
@@ -0,0 +1,16 @@
+.error {
+    margin: 40px 20px 20px 20px;
+    padding: 20px;
+    border: 1px solid #F2616D;
+    position: relative;
+    font-weight: normal;
+    min-height: 100px;
+    .status-code {
+        position: absolute;
+        right: 0;
+        bottom: 0;
+        font-weight: normal;
+        font-size: 10px;
+        margin: 3px;
+    }
+}
diff --git a/packages/centro/app/views/style/main.scss b/packages/centro/app/views/style/main.scss
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/packages/centro/config/config.json b/packages/centro/config/config.json
new file mode 100644
index 0000000000000000000000000000000000000000..d2ad4832034abe2c2fb47bd883ae7a5af369e003
--- /dev/null
+++ b/packages/centro/config/config.json
@@ -0,0 +1,9 @@
+{
+    "name": "Centro",
+    "port": 3000,
+    "enketo": {
+        "api url": "http://localhost:8005/api/v1",
+        "api key": "enketorules"
+    },
+    "max submission size": 50000000
+}
\ No newline at end of file
diff --git a/packages/centro/config/express.js b/packages/centro/config/express.js
new file mode 100644
index 0000000000000000000000000000000000000000..c2fb715e19e505beaca57f83900f0973ce76fa6e
--- /dev/null
+++ b/packages/centro/config/express.js
@@ -0,0 +1,88 @@
+const express = require( 'express' );
+const path = require( 'path' );
+const fs = require( 'fs' );
+const favicon = require( 'serve-favicon' );
+const logger = require( 'morgan' );
+const cookieParser = require( 'cookie-parser' );
+const bodyParser = require( 'body-parser' );
+const compress = require( 'compression' );
+const config = require( './config' );
+const controllersPath = path.join( __dirname, '../app/controllers' );
+const app = express();
+
+// configuration
+app.set( 'views', './app/views' );
+app.set( 'view engine', 'pug' );
+for ( const item in config ) {
+    app.set( item, app.get( item ) || config[ item ] );
+}
+app.set( 'port', process.env.PORT || app.get( 'port' ) || 3000 );
+app.set( 'env', process.env.NODE_ENV || 'production' );
+
+// pretty json API responses
+app.set( 'json spaces', 4 );
+
+// middleware
+app.use( favicon( './public/img/favicon.ico' ) );
+app.use( logger( 'dev' ) );
+app.use( bodyParser.json() );
+app.use( bodyParser.urlencoded( {
+    extended: true
+} ) );
+app.use( cookieParser() );
+app.use( compress() );
+app.use( express.static( './public' ) );
+// temp for form media with correct headers
+app.use( '/form/video-label-demo/media/*', express.static( './storage/forms/video-label-demo-media' ) );
+
+// set variables that should be accessible in all view templates
+app.use( ( req, res, next ) => {
+    res.locals.environment = app.get( 'env' );
+    next();
+} );
+
+// load controllers (including routers)
+fs.readdirSync( controllersPath ).forEach( file => {
+    if ( file.indexOf( '.js' ) >= 0 ) {
+        //debug( 'loading', file );
+        require( `${controllersPath}/${file}` )( app );
+    }
+} );
+
+// error handling
+app.use( ( req, res, next ) => {
+    const err = new Error( 'Not Found' );
+    err.status = 404;
+    next( err );
+} );
+
+if ( app.get( 'env' ) === 'development' ) {
+    app.use( ( err, req, res, next ) => {
+        const body = {
+            code: err.status || 500,
+            message: err.message
+        };
+        res.status( err.status || 500 );
+        if ( res.get( 'Content-type' ) === 'application/json' ) {
+            res.json( body );
+        } else {
+            res.render( 'error', body );
+        }
+    } );
+}
+
+app.use( ( err, req, res, next ) => {
+    const body = {
+        code: err.status || 500,
+        message: err.message,
+        stack: err.stack
+    };
+    res.status( err.status || 500 );
+    if ( res.get( 'Content-type' ) === 'application/json' ) {
+        res.json( body );
+    } else {
+        res.render( 'error', body );
+    }
+} );
+
+module.exports = app;
\ No newline at end of file
diff --git a/packages/centro/package-lock.json b/packages/centro/package-lock.json
new file mode 100644
index 0000000000000000000000000000000000000000..395ae712c524d433c305efb6ecad8aa8a1d2f827
--- /dev/null
+++ b/packages/centro/package-lock.json
@@ -0,0 +1,5897 @@
+{
+    "name": "centro",
+    "version": "0.0.1",
+    "lockfileVersion": 1,
+    "requires": true,
+    "dependencies": {
+        "@babel/helper-validator-identifier": {
+            "version": "7.16.7",
+            "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.16.7.tgz",
+            "integrity": "sha512-hsEnFemeiW4D08A5gUAZxLBTXpZ39P+a+DGDsHw1yxqyQ/jzFEnxf5uTEGp+3bzAbNOxU1paTgYS4ECU/IgfDw=="
+        },
+        "@babel/parser": {
+            "version": "7.17.8",
+            "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.17.8.tgz",
+            "integrity": "sha512-BoHhDJrJXqcg+ZL16Xv39H9n+AqJ4pcDrQBGZN+wHxIysrLZ3/ECwCBUch/1zUNhnsXULcONU3Ei5Hmkfk6kiQ=="
+        },
+        "@babel/types": {
+            "version": "7.17.0",
+            "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.17.0.tgz",
+            "integrity": "sha512-TmKSNO4D5rzhL5bjWFcVHHLETzfQ/AmbKpKPOSjlP0WoHZ6L911fgoOKY4Alp/emzG4cHJdyN49zpgkbXFEHHw==",
+            "requires": {
+                "@babel/helper-validator-identifier": "^7.16.7",
+                "to-fast-properties": "^2.0.0"
+            }
+        },
+        "@types/minimatch": {
+            "version": "3.0.3",
+            "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
+            "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==",
+            "dev": true
+        },
+        "@ungap/promise-all-settled": {
+            "version": "1.1.2",
+            "resolved": "https://registry.npmjs.org/@ungap/promise-all-settled/-/promise-all-settled-1.1.2.tgz",
+            "integrity": "sha512-sL/cEvJWAnClXw0wHk85/2L0G6Sj8UB0Ctc1TEMbKSsmpRosqhwj9gWgFRZSrBr2f9tiXISwNhCPmlfqUqyb9Q==",
+            "dev": true
+        },
+        "abbrev": {
+            "version": "1.1.1",
+            "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
+            "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+        },
+        "accepts": {
+            "version": "1.3.7",
+            "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
+            "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
+            "requires": {
+                "mime-types": "~2.1.24",
+                "negotiator": "0.6.2"
+            },
+            "dependencies": {
+                "mime-db": {
+                    "version": "1.44.0",
+                    "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.44.0.tgz",
+                    "integrity": "sha512-/NOTfLrsPBVeH7YtFPgsVWveuL+4SjjYxaQ1xtM1KMFj7HdxlBlxeyNLzhyJVx7r4rZGJAZ/6lkKCitSc/Nmpg=="
+                },
+                "mime-types": {
+                    "version": "2.1.27",
+                    "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.27.tgz",
+                    "integrity": "sha512-JIhqnCasI9yD+SsmkquHBxTSEuZdQX5BuQnS2Vc7puQQQ+8yiP5AY5uWhpdv4YL4VM5c6iliiYWPgJ/nJQLp7w==",
+                    "requires": {
+                        "mime-db": "1.44.0"
+                    }
+                }
+            }
+        },
+        "acorn": {
+            "version": "7.4.1",
+            "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+            "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A=="
+        },
+        "ajv": {
+            "version": "6.12.6",
+            "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+            "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+            "dev": true,
+            "requires": {
+                "fast-deep-equal": "^3.1.1",
+                "fast-json-stable-stringify": "^2.0.0",
+                "json-schema-traverse": "^0.4.1",
+                "uri-js": "^4.2.2"
+            }
+        },
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+            "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
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diff --git a/packages/centro/package.json b/packages/centro/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..da94b5155fb26c6c65029130350b4f02ccde8fac
--- /dev/null
+++ b/packages/centro/package.json
@@ -0,0 +1,39 @@
+{
+    "name": "centro",
+    "version": "0.0.1",
+    "private": false,
+    "main": "./app.js",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/enketo/centro"
+    },
+    "scripts": {
+        "start": "node app.js",
+        "test": "grunt test"
+    },
+    "dependencies": {
+        "body-parser": "^1.19.2",
+        "busboy": "^1.5.0",
+        "compression": "^1.7.4",
+        "cookie-parser": "^1.4.6",
+        "debug": "^4.3.4",
+        "express": "^4.17.3",
+        "libxmljs": "^0.19.7",
+        "morgan": "^1.10.0",
+        "pug": "^3.0.2",
+        "serve-favicon": "^2.5.0"
+    },
+    "devDependencies": {
+        "chai": "^4.3.6",
+        "chai-as-promised": "^7.1.1",
+        "grunt": "^1.4.1",
+        "grunt-concurrent": "^3.0.0",
+        "grunt-contrib-watch": "^1.1.0",
+        "grunt-mocha-test": "^0.13.3",
+        "grunt-nodemon": "^0.4.2",
+        "grunt-sass": "^3.1.0",
+        "load-grunt-tasks": "^5.1.0",
+        "mocha": "^9.2.2",
+        "request": "^2.88.2"
+    }
+}
diff --git a/packages/centro/public/img/favicon.ico b/packages/centro/public/img/favicon.ico
new file mode 100644
index 0000000000000000000000000000000000000000..467d82222446b3f3deafd862cbc2928cb7d49a69
Binary files /dev/null and b/packages/centro/public/img/favicon.ico differ
diff --git a/packages/centro/storage/forms/cascading_pictures.xml b/packages/centro/storage/forms/cascading_pictures.xml
new file mode 100644
index 0000000000000000000000000000000000000000..0635a344baa4959a0bae59f4e5897cad46b3e061
--- /dev/null
+++ b/packages/centro/storage/forms/cascading_pictures.xml
@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="utf-8"?>
+<h:html xmlns="http://www.w3.org/2002/xforms" xmlns:ev="http://www.w3.org/2001/xml-events" xmlns:h="http://www.w3.org/1999/xhtml" xmlns:jr="http://openrosa.org/javarosa" xmlns:orx="http://openrosa.org/xforms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+  <h:head>
+    <h:title>Cascading Select with Picture label</h:title>
+    <model>
+      <itext>
+        <translation default="true()" lang="default">
+          <text id="/cascading_pictures/q1/b:label">
+            <value form="image">jr://images/b.jpg</value>
+          </text>
+          <text id="static_instance-happy_sad-0">
+            <value form="image">jr://images/happy.jpg</value>
+          </text>
+          <text id="static_instance-happy_sad-1">
+            <value form="image">jr://images/sad.jpg</value>
+          </text>
+          <text id="static_instance-a_b-1">
+            <value form="image">jr://images/b.jpg</value>
+          </text>
+          <text id="static_instance-a_b-0">
+            <value form="image">jr://images/a.jpg</value>
+          </text>
+          <text id="/cascading_pictures/q1/a:label">
+            <value form="image">jr://images/a.jpg</value>
+          </text>
+        </translation>
+      </itext>
+      <instance>
+        <cascading_pictures id="cascading_pictures">
+          <formhub>
+            <uuid/>
+          </formhub>
+          <source/>
+          <q1/>
+          <q2/>
+          <meta>
+            <instanceID/>
+          </meta>
+        </cascading_pictures>
+      </instance>
+      <instance id="a_b">
+        <root>
+          <item>
+            <itextId>static_instance-a_b-0</itextId>
+            <name>a</name>
+          </item>
+          <item>
+            <itextId>static_instance-a_b-1</itextId>
+            <name>b</name>
+          </item>
+        </root>
+      </instance>
+      <instance id="happy_sad">
+        <root>
+          <item>
+            <itextId>static_instance-happy_sad-0</itextId>
+            <name>happy</name>
+            <condition>a</condition>
+          </item>
+          <item>
+            <itextId>static_instance-happy_sad-1</itextId>
+            <name>sad</name>
+            <condition>b</condition>
+          </item>
+        </root>
+      </instance>
+      <bind nodeset="/cascading_pictures/source" readonly="true()" type="string"/>
+      <bind nodeset="/cascading_pictures/q1" type="select1"/>
+      <bind nodeset="/cascading_pictures/q2" type="select1"/>
+      <bind calculate="concat('uuid:', uuid())" nodeset="/cascading_pictures/meta/instanceID" readonly="true()" type="string"/>
+      <bind calculate="'b74a5678ffe34f06a4e762ebb3d44cc1'" nodeset="/cascading_pictures/formhub/uuid" type="string"/>
+    </model>
+  </h:head>
+  <h:body class="theme-formhub">
+    <input ref="/cascading_pictures/source">
+      <label>[form source](https://docs.google.com/spreadsheet/ccc?key=0Al3Mw5sknZoPdDVtcXQxdUNhbG9QMG9IQ2NNclZHM2c&amp;usp=sharing)</label>
+    </input>
+    <select1 ref="/cascading_pictures/q1">
+      <label>select one</label>
+      <item>
+        <label ref="jr:itext('/cascading_pictures/q1/a:label')"/>
+        <value>a</value>
+      </item>
+      <item>
+        <label ref="jr:itext('/cascading_pictures/q1/b:label')"/>
+        <value>b</value>
+      </item>
+    </select1>
+    <select1 ref="/cascading_pictures/q2">
+      <label>select one</label>
+      <itemset nodeset="instance('happy_sad')/root/item[condition =  /cascading_pictures/q1 ]">
+        <value ref="name"/>
+        <label ref="jr:itext(itextId)"/>
+      </itemset>
+    </select1>
+  </h:body>
+</h:html>
diff --git a/packages/centro/storage/forms/distress.xml b/packages/centro/storage/forms/distress.xml
new file mode 100644
index 0000000000000000000000000000000000000000..244c5d8cd95ff3f1d39224415c374ac6ed95db88
--- /dev/null
+++ b/packages/centro/storage/forms/distress.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<h:html xmlns="http://www.w3.org/2002/xforms" xmlns:ev="http://www.w3.org/2001/xml-events" xmlns:h="http://www.w3.org/1999/xhtml" xmlns:jr="http://openrosa.org/javarosa" xmlns:orx="http://openrosa.org/xforms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+  <h:head>
+    <h:title>distress</h:title>
+    <model>
+      <instance>
+        <distress id="distress" version="2.1">
+          <formhub>
+            <uuid/>
+          </formhub>
+          <rep jr:template="">
+            <distr/>
+            <distr_note/>
+          </rep>
+          <hide/>
+          <meta>
+            <instanceID/>
+          </meta>
+        </distress>
+      </instance>
+      <bind nodeset="/distress/rep" relevant="string-length( /distress/hide ) = 0"/>
+      <bind constraint=". &gt;= 0 and .&lt;= 10" nodeset="/distress/rep/distr" required="true()" type="int"/>
+      <bind nodeset="/distress/rep/distr_note" readonly="true()" type="string"/>
+      <bind nodeset="/distress/hide" type="string"/>
+      <bind calculate="concat('uuid:', uuid())" nodeset="/distress/meta/instanceID" readonly="true()" type="string"/>
+      <bind calculate="'99f7ff48c0d542eea60ddff258829f6f'" nodeset="/distress/formhub/uuid" type="string"/>
+    </model>
+  </h:head>
+  <h:body>
+    <group ref="/distress/rep">
+      <label>Integer widgets</label>
+      <repeat nodeset="/distress/rep">
+        <input appearance="distress" ref="/distress/rep/distr">
+          <label>Level of Distress</label>
+          <hint>Please select the level of distress you experienced in the past week including today (type=integer, appearance = distress). For optimal reliability this field is protected from invalid input with a constraint.</hint>
+        </input>
+        <input ref="/distress/rep/distr_note">
+          <label>Distress value: <output value=" /distress/rep/distr "/></label></input>
+      </repeat>
+    </group>
+    <input ref="/distress/hide">
+      <label>Enter text to hide repeats</label>
+    </input>
+  </h:body>
+</h:html>
diff --git a/packages/centro/storage/forms/once.xml b/packages/centro/storage/forms/once.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4a58f97cc23df37433bca2142e714409d70bbad9
--- /dev/null
+++ b/packages/centro/storage/forms/once.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<h:html xmlns="http://www.w3.org/2002/xforms" xmlns:ev="http://www.w3.org/2001/xml-events" xmlns:h="http://www.w3.org/1999/xhtml" xmlns:jr="http://openrosa.org/javarosa" xmlns:orx="http://openrosa.org/xforms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+  <h:head>
+    <h:title>once</h:title>
+    <model>
+      <instance>
+        <once id="once">
+          <formhub>
+            <uuid/>
+          </formhub>
+          <a/>
+          <b/>
+          <c/>
+          <d/>
+          <note_b/>
+          <note_c/>
+          <note_d/>
+          <meta>
+            <instanceID/>
+          </meta>
+        </once>
+      </instance>
+      <bind nodeset="/once/a" type="int"/>
+      <bind calculate=" /once/a  * 10" nodeset="/once/b" type="string"/>
+      <bind calculate="once(10 div  /once/a )" nodeset="/once/c" type="string"/>
+      <bind calculate="once(concat('this was the first value for a:',  /once/a ))" nodeset="/once/d" type="string"/>
+      <bind nodeset="/once/note_b" readonly="true()" type="string"/>
+      <bind nodeset="/once/note_c" readonly="true()" type="string"/>
+      <bind nodeset="/once/note_d" readonly="true()" type="string"/>
+      <bind calculate="concat('uuid:', uuid())" nodeset="/once/meta/instanceID" readonly="true()" type="string"/>
+      <bind calculate="'9582550d27a9452997fa2379e9c5a918'" nodeset="/once/formhub/uuid" type="string"/>
+    </model>
+  </h:head>
+  <h:body class="theme-formhub">
+    <input ref="/once/a">
+      <label>Enter number</label>
+    </input>
+    <input ref="/once/note_b">
+      <label>b: <output value=" /once/b "/></label></input>
+    <input ref="/once/note_c">
+      <label>c (once): <output value=" /once/c "/></label></input>
+    <input ref="/once/note_d">
+      <label>d (once): <output value=" /once/d "/></label></input>
+  </h:body>
+</h:html>
diff --git a/packages/centro/storage/forms/widgets-media/a.jpg b/packages/centro/storage/forms/widgets-media/a.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..e1fae27db35e82c9d7e80dd6d3852a05c7dcc02d
Binary files /dev/null and b/packages/centro/storage/forms/widgets-media/a.jpg differ
diff --git a/packages/centro/storage/forms/widgets-media/b.jpg b/packages/centro/storage/forms/widgets-media/b.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..61cc07af0ddfb7753ec7d00a307650c35d60c99e
Binary files /dev/null and b/packages/centro/storage/forms/widgets-media/b.jpg differ
diff --git a/packages/centro/storage/forms/widgets-media/form_logo.png b/packages/centro/storage/forms/widgets-media/form_logo.png
new file mode 100644
index 0000000000000000000000000000000000000000..671ce24c6fcded20116c8b1f185b4df1fce94e64
Binary files /dev/null and b/packages/centro/storage/forms/widgets-media/form_logo.png differ
diff --git a/packages/centro/storage/forms/widgets-media/goldeneagle.mp3 b/packages/centro/storage/forms/widgets-media/goldeneagle.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..2f3e434a65884007a85780b26e9411ea907e84bd
Binary files /dev/null and b/packages/centro/storage/forms/widgets-media/goldeneagle.mp3 differ
diff --git a/packages/centro/storage/forms/widgets-media/happy.jpg b/packages/centro/storage/forms/widgets-media/happy.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..64ef391dd7107819a82f93da3955b3d403f925f6
Binary files /dev/null and b/packages/centro/storage/forms/widgets-media/happy.jpg differ
diff --git a/packages/centro/storage/forms/widgets-media/kingfisher.png b/packages/centro/storage/forms/widgets-media/kingfisher.png
new file mode 100644
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Binary files /dev/null and b/packages/centro/storage/forms/widgets-media/kingfisher.png differ
diff --git a/packages/centro/storage/forms/widgets-media/nuthatch.png b/packages/centro/storage/forms/widgets-media/nuthatch.png
new file mode 100644
index 0000000000000000000000000000000000000000..02c027675d77cca2cecac9245e9398bcfe6a0431
Binary files /dev/null and b/packages/centro/storage/forms/widgets-media/nuthatch.png differ
diff --git a/packages/centro/storage/forms/widgets-media/pigeon.png b/packages/centro/storage/forms/widgets-media/pigeon.png
new file mode 100644
index 0000000000000000000000000000000000000000..462e78f53e4dcc4e569fdcece8e35d547b88bb87
Binary files /dev/null and b/packages/centro/storage/forms/widgets-media/pigeon.png differ
diff --git a/packages/centro/storage/forms/widgets-media/sad.jpg b/packages/centro/storage/forms/widgets-media/sad.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..dea8763b70d24c83b9b649c73e415ee3efd6d55d
Binary files /dev/null and b/packages/centro/storage/forms/widgets-media/sad.jpg differ
diff --git a/packages/centro/storage/forms/widgets.xml b/packages/centro/storage/forms/widgets.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a81eb13b04bc45b9e133f9ff1daa66e9497ad060
--- /dev/null
+++ b/packages/centro/storage/forms/widgets.xml
@@ -0,0 +1,1287 @@
+<?xml version="1.0" encoding="utf-8"?>
+<h:html xmlns="http://www.w3.org/2002/xforms" xmlns:ev="http://www.w3.org/2001/xml-events" xmlns:h="http://www.w3.org/1999/xhtml" xmlns:jr="http://openrosa.org/javarosa" xmlns:orx="http://openrosa.org/xforms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+  <h:head>
+    <h:title>Widgets</h:title>
+    <model>
+      <itext>
+        <translation default="true()" lang="default">
+          <text id="/widgets/select_widgets/happy_sad_table/reserved_name_for_field_list_labels_52/happy:label">
+            <value form="image">jr://images/happy.jpg</value>
+          </text>
+          <text id="/widgets/display_widgets/select_media/king:label">
+            <value form="image">jr://images/kingfisher.png</value>
+            <value>kingfisher</value>
+          </text>
+          <text id="static_instance-list-0">
+            <value>option a</value>
+          </text>
+          <text id="static_instance-list-1">
+            <value>option b</value>
+          </text>
+          <text id="static_instance-list-2">
+            <value>option c</value>
+          </text>
+          <text id="static_instance-list-3">
+            <value>option d</value>
+          </text>
+          <text id="/widgets/select_widgets/happy_sad_table/reserved_name_for_field_list_labels_52/sad:label">
+            <value form="image">jr://images/sad.jpg</value>
+          </text>
+          <text id="/widgets/select_widgets/happy_sad_table_2/happy_sad_brian2/happy:label">
+            <value form="image">jr://images/happy.jpg</value>
+          </text>
+          <text id="/widgets/select_widgets/happy_sad_table_2/happy_sad_brian2/sad:label">
+            <value form="image">jr://images/sad.jpg</value>
+          </text>
+          <text id="static_instance-list2-1">
+            <value>option 2</value>
+          </text>
+          <text id="static_instance-list2-0">
+            <value>option 1</value>
+          </text>
+          <text id="static_instance-list2-3">
+            <value>option 4</value>
+          </text>
+          <text id="static_instance-list2-2">
+            <value>option 3</value>
+          </text>
+          <text id="static_instance-list2-5">
+            <value>option 6</value>
+          </text>
+          <text id="static_instance-list2-4">
+            <value>option 5</value>
+          </text>
+          <text id="static_instance-list2-7">
+            <value>option 8</value>
+          </text>
+          <text id="static_instance-list2-6">
+            <value>option 7</value>
+          </text>
+          <text id="/widgets/select_widgets/happy_sad_table/happy_sad_michael/happy:label">
+            <value form="image">jr://images/happy.jpg</value>
+          </text>
+          <text id="static_instance-happy_sad-0">
+            <value form="image">jr://images/happy.jpg</value>
+          </text>
+          <text id="static_instance-happy_sad-1">
+            <value form="image">jr://images/sad.jpg</value>
+          </text>
+          <text id="/widgets/select_widgets/happy_sad_table/happy_sad_brian/sad:label">
+            <value form="image">jr://images/sad.jpg</value>
+          </text>
+          <text id="static_instance-countries-1">
+            <value>United States</value>
+          </text>
+          <text id="/widgets/select_widgets/happy_sad_table/happy_sad_michael/sad:label">
+            <value form="image">jr://images/sad.jpg</value>
+          </text>
+          <text id="/widgets/select_widgets/happy_sad_table_2/happy_sad_second_method/happy:label">
+            <value form="image">jr://images/happy.jpg</value>
+          </text>
+          <text id="static_instance-countries-0">
+            <value>The Netherlands</value>
+          </text>
+          <text id="static_instance-cities-3">
+            <value>Los Angeles</value>
+          </text>
+          <text id="static_instance-cities-2">
+            <value>New York City</value>
+          </text>
+          <text id="static_instance-cities-1">
+            <value>Denver</value>
+          </text>
+          <text id="static_instance-cities-0">
+            <value>Amsterdam</value>
+          </text>
+          <text id="static_instance-cities-5">
+            <value>Dronten</value>
+          </text>
+          <text id="static_instance-cities-4">
+            <value>Rotterdam</value>
+          </text>
+          <text id="static_instance-agree5-3">
+            <value>agree</value>
+          </text>
+          <text id="static_instance-agree5-2">
+            <value>neither agree nor disagree</value>
+          </text>
+          <text id="static_instance-agree5-1">
+            <value>disagree</value>
+          </text>
+          <text id="static_instance-agree5-0">
+            <value>strongly disagree</value>
+          </text>
+          <text id="/widgets/select_widgets/happy_sad_table_2/happy_sad_michael2/happy:label">
+            <value form="image">jr://images/happy.jpg</value>
+          </text>
+          <text id="/widgets/select_widgets/grid_test_audio/a:label">
+            <value form="image">jr://images/a.jpg</value>
+          </text>
+          <text id="static_instance-agree5-4">
+            <value>strongly agree</value>
+          </text>
+          <text id="/widgets/select_widgets/grid_test_audio/b:label">
+            <value form="image">jr://images/b.jpg</value>
+          </text>
+          <text id="/widgets/select_widgets/happy_sad_table_2/happy_sad_michael2/sad:label">
+            <value form="image">jr://images/sad.jpg</value>
+          </text>
+          <text id="static_instance-a_b-1">
+            <value form="image">jr://images/b.jpg</value>
+          </text>
+          <text id="/widgets/select_widgets/happy_sad_table_2/happy_sad_second_method/sad:label">
+            <value form="image">jr://images/sad.jpg</value>
+          </text>
+          <text id="/widgets/select_widgets/grid_test/a:label">
+            <value form="image">jr://images/a.jpg</value>
+          </text>
+          <text id="static_instance-a_b-0">
+            <value form="image">jr://images/a.jpg</value>
+          </text>
+          <text id="/widgets/display_widgets/select_media/nut:label">
+            <value form="image">jr://images/nuthatch.png</value>
+            <value>nuthatch</value>
+          </text>
+          <text id="static_instance-yes_no-3">
+            <value>Not Applicable</value>
+          </text>
+          <text id="static_instance-yes_no-2">
+            <value>Don't Know</value>
+          </text>
+          <text id="static_instance-yes_no-1">
+            <value>No</value>
+          </text>
+          <text id="static_instance-yes_no-0">
+            <value>Yes</value>
+          </text>
+          <text id="/widgets/display_widgets/text_media:label">
+            <value form="audio">jr://audio/goldeneagle.mp3</value>
+            <value>You can add a sound recording, an image and a video to any input label or to a note.</value>
+          </text>
+          <text id="static_instance-neighborhoods-4">
+            <value>Park Hill</value>
+          </text>
+          <text id="static_instance-neighborhoods-5">
+            <value>Harbor</value>
+          </text>
+          <text id="static_instance-neighborhoods-6">
+            <value>Dam</value>
+          </text>
+          <text id="static_instance-neighborhoods-7">
+            <value>Downtown</value>
+          </text>
+          <text id="static_instance-neighborhoods-0">
+            <value>Bronx</value>
+          </text>
+          <text id="static_instance-neighborhoods-1">
+            <value>Harlem</value>
+          </text>
+          <text id="static_instance-neighborhoods-2">
+            <value>Bel Air</value>
+          </text>
+          <text id="static_instance-neighborhoods-3">
+            <value>Westerpark</value>
+          </text>
+          <text id="static_instance-list1-2">
+            <value form="image">jr://images/nuthatch.png</value>
+            <value>nuthatch</value>
+          </text>
+          <text id="/widgets/select_widgets/grid_test/b:label">
+            <value form="image">jr://images/b.jpg</value>
+          </text>
+          <text id="static_instance-list1-0">
+            <value form="image">jr://images/kingfisher.png</value>
+            <value>kingfisher</value>
+          </text>
+          <text id="static_instance-list1-1">
+            <value form="image">jr://images/pigeon.png</value>
+            <value>pigeon</value>
+          </text>
+          <text id="static_instance-neighborhoods-8">
+            <value>Harbor</value>
+          </text>
+          <text id="/widgets/display_widgets/select_media/pig:label">
+            <value form="image">jr://images/pigeon.png</value>
+            <value>pigeon</value>
+          </text>
+          <text id="/widgets/select_widgets/happy_sad_table/happy_sad_brian/happy:label">
+            <value form="image">jr://images/happy.jpg</value>
+          </text>
+        </translation>
+      </itext>
+      <instance>
+        <widgets id="widgets">
+          <formhub>
+            <uuid/>
+          </formhub>
+          <intro/>
+          <text_widgets>
+            <my_string/>
+            <my_long_text/>
+          </text_widgets>
+          <number_widgets>
+            <my_int/>
+            <my_decimal>18.31</my_decimal>
+            <my_distress/>
+          </number_widgets>
+          <date_time_widgets>
+            <my_date>2010-06-15</my_date>
+            <my_date_month_year/>
+            <my_date_year/>
+            <my_time/>
+            <dateTime/>
+          </date_time_widgets>
+          <select_widgets>
+            <my_select>a c</my_select>
+            <select_horizontal_compact/>
+            <select_horizontal/>
+            <my_select1>8</my_select1>
+            <select1_horizontal_compact/>
+            <select1_horizontal/>
+            <select1_likert/>
+            <spinner/>
+            <spinner_all/>
+            <selectadvance/>
+            <grid_test/>
+            <grid_test_audio/>
+            <table_list_test>
+              <table_list_test_label/>
+              <table_list_1/>
+              <table_list_2/>
+            </table_list_test>
+            <table_list_test2>
+              <generated_table_list_label_42/>
+              <reserved_name_for_field_list_labels_43/>
+              <table_list_3/>
+              <table_list_4/>
+            </table_list_test2>
+            <happy_sad_table_2>
+              <happy_sad_second_method/>
+              <happy_sad_brian2/>
+              <happy_sad_michael2/>
+            </happy_sad_table_2>
+            <happy_sad_table>
+              <generated_table_list_label_51/>
+              <reserved_name_for_field_list_labels_52/>
+              <happy_sad_brian/>
+              <happy_sad_michael/>
+            </happy_sad_table>
+          </select_widgets>
+          <cascading_widgets>
+            <group1>
+              <country/>
+              <city/>
+              <neighborhood/>
+            </group1>
+            <group2>
+              <country2/>
+              <city2/>
+              <neighborhood2/>
+            </group2>
+          </cascading_widgets>
+          <geopoint_widgets>
+            <my_geopoint/>
+            <my_geopoint_m/>
+            <my_geotrace/>
+            <my_geoshape/>
+          </geopoint_widgets>
+          <media_widgets>
+            <my_image/>
+            <my_audio/>
+            <my_video/>
+            <my_barcode/>
+          </media_widgets>
+          <display_widgets>
+            <my_output/>
+            <text_media/>
+            <select_media/>
+            <my_trigger/>
+          </display_widgets>
+          <meta>
+            <instanceID/>
+          </meta>
+        </widgets>
+      </instance>
+      <instance id="cities">
+        <root>
+          <item>
+            <itextId>static_instance-cities-0</itextId>
+            <country>nl</country>
+            <name>ams</name>
+          </item>
+          <item>
+            <itextId>static_instance-cities-1</itextId>
+            <country>usa</country>
+            <name>den</name>
+          </item>
+          <item>
+            <itextId>static_instance-cities-2</itextId>
+            <country>usa</country>
+            <name>nyc</name>
+          </item>
+          <item>
+            <itextId>static_instance-cities-3</itextId>
+            <country>usa</country>
+            <name>la</name>
+          </item>
+          <item>
+            <itextId>static_instance-cities-4</itextId>
+            <country>nl</country>
+            <name>rot</name>
+          </item>
+          <item>
+            <itextId>static_instance-cities-5</itextId>
+            <country>nl</country>
+            <name>dro</name>
+          </item>
+        </root>
+      </instance>
+      <instance id="neighborhoods">
+        <root>
+          <item>
+            <itextId>static_instance-neighborhoods-0</itextId>
+            <country>usa</country>
+            <city>nyc</city>
+            <name>bronx</name>
+          </item>
+          <item>
+            <itextId>static_instance-neighborhoods-1</itextId>
+            <country>usa</country>
+            <city>nyc</city>
+            <name>harlem</name>
+          </item>
+          <item>
+            <itextId>static_instance-neighborhoods-2</itextId>
+            <country>usa</country>
+            <city>la</city>
+            <name>belair</name>
+          </item>
+          <item>
+            <itextId>static_instance-neighborhoods-3</itextId>
+            <country>nl</country>
+            <city>ams</city>
+            <name>wes</name>
+          </item>
+          <item>
+            <itextId>static_instance-neighborhoods-4</itextId>
+            <country>usa</country>
+            <city>den</city>
+            <name>parkhill</name>
+          </item>
+          <item>
+            <itextId>static_instance-neighborhoods-5</itextId>
+            <country>nl</country>
+            <city>rot</city>
+            <name>haven</name>
+          </item>
+          <item>
+            <itextId>static_instance-neighborhoods-6</itextId>
+            <country>nl</country>
+            <city>ams</city>
+            <name>dam</name>
+          </item>
+          <item>
+            <itextId>static_instance-neighborhoods-7</itextId>
+            <country>nl</country>
+            <city>rot</city>
+            <name>centrum</name>
+          </item>
+          <item>
+            <itextId>static_instance-neighborhoods-8</itextId>
+            <country>nl</country>
+            <city>dro</city>
+            <name>haven</name>
+          </item>
+        </root>
+      </instance>
+      <instance id="countries">
+        <root>
+          <item>
+            <itextId>static_instance-countries-0</itextId>
+            <name>nl</name>
+          </item>
+          <item>
+            <itextId>static_instance-countries-1</itextId>
+            <name>usa</name>
+          </item>
+        </root>
+      </instance>
+      <instance id="list">
+        <root>
+          <item>
+            <itextId>static_instance-list-0</itextId>
+            <name>a</name>
+          </item>
+          <item>
+            <itextId>static_instance-list-1</itextId>
+            <name>b</name>
+          </item>
+          <item>
+            <itextId>static_instance-list-2</itextId>
+            <name>c</name>
+          </item>
+          <item>
+            <itextId>static_instance-list-3</itextId>
+            <name>d</name>
+          </item>
+        </root>
+      </instance>
+      <instance id="list1">
+        <root>
+          <item>
+            <itextId>static_instance-list1-0</itextId>
+            <name>king</name>
+          </item>
+          <item>
+            <itextId>static_instance-list1-1</itextId>
+            <name>pig</name>
+          </item>
+          <item>
+            <itextId>static_instance-list1-2</itextId>
+            <name>nut</name>
+          </item>
+        </root>
+      </instance>
+      <instance id="happy_sad">
+        <root>
+          <item>
+            <itextId>static_instance-happy_sad-0</itextId>
+            <name>happy</name>
+          </item>
+          <item>
+            <itextId>static_instance-happy_sad-1</itextId>
+            <name>sad</name>
+          </item>
+        </root>
+      </instance>
+      <instance id="list2">
+        <root>
+          <item>
+            <itextId>static_instance-list2-0</itextId>
+            <name>1</name>
+          </item>
+          <item>
+            <itextId>static_instance-list2-1</itextId>
+            <name>2</name>
+          </item>
+          <item>
+            <itextId>static_instance-list2-2</itextId>
+            <name>3</name>
+          </item>
+          <item>
+            <itextId>static_instance-list2-3</itextId>
+            <name>4</name>
+          </item>
+          <item>
+            <itextId>static_instance-list2-4</itextId>
+            <name>5</name>
+          </item>
+          <item>
+            <itextId>static_instance-list2-5</itextId>
+            <name>6</name>
+          </item>
+          <item>
+            <itextId>static_instance-list2-6</itextId>
+            <name>7</name>
+          </item>
+          <item>
+            <itextId>static_instance-list2-7</itextId>
+            <name>8</name>
+          </item>
+        </root>
+      </instance>
+      <instance id="a_b">
+        <root>
+          <item>
+            <itextId>static_instance-a_b-0</itextId>
+            <name>a</name>
+          </item>
+          <item>
+            <itextId>static_instance-a_b-1</itextId>
+            <name>b</name>
+          </item>
+        </root>
+      </instance>
+      <instance id="agree5">
+        <root>
+          <item>
+            <itextId>static_instance-agree5-0</itextId>
+            <name>1</name>
+          </item>
+          <item>
+            <itextId>static_instance-agree5-1</itextId>
+            <name>2</name>
+          </item>
+          <item>
+            <itextId>static_instance-agree5-2</itextId>
+            <name>3</name>
+          </item>
+          <item>
+            <itextId>static_instance-agree5-3</itextId>
+            <name>4</name>
+          </item>
+          <item>
+            <itextId>static_instance-agree5-4</itextId>
+            <name>5</name>
+          </item>
+        </root>
+      </instance>
+      <instance id="yes_no">
+        <root>
+          <item>
+            <itextId>static_instance-yes_no-0</itextId>
+            <name>yes</name>
+          </item>
+          <item>
+            <itextId>static_instance-yes_no-1</itextId>
+            <name>no</name>
+          </item>
+          <item>
+            <itextId>static_instance-yes_no-2</itextId>
+            <name>dk</name>
+          </item>
+          <item>
+            <itextId>static_instance-yes_no-3</itextId>
+            <name>na</name>
+          </item>
+        </root>
+      </instance>
+      <bind nodeset="/widgets/intro" readonly="true()" type="string"/>
+      <bind nodeset="/widgets/text_widgets/my_string" type="string"/>
+      <bind nodeset="/widgets/text_widgets/my_long_text" relevant="string-length(  /widgets/text_widgets/my_string  ) &gt; 0" type="string"/>
+      <bind constraint=". &lt; 10" jr:constraintMsg="number must be less than 10" nodeset="/widgets/number_widgets/my_int" type="int"/>
+      <bind constraint=". &gt; 10.51 and . &lt; 18.39" jr:constraintMsg="number must be between 10.51 and 18.39" nodeset="/widgets/number_widgets/my_decimal" type="decimal"/>
+      <bind constraint=". &gt;= 0 and . &lt;= 10" nodeset="/widgets/number_widgets/my_distress" type="int"/>
+      <bind constraint=". &gt;= today()" jr:constraintMsg="only future dates allowed" nodeset="/widgets/date_time_widgets/my_date" type="date"/>
+      <bind nodeset="/widgets/date_time_widgets/my_date_month_year" type="date"/>
+      <bind nodeset="/widgets/date_time_widgets/my_date_year" type="date"/>
+      <bind nodeset="/widgets/date_time_widgets/my_time" type="time"/>
+      <bind nodeset="/widgets/date_time_widgets/dateTime" type="dateTime"/>
+      <bind constraint="not(selected(., 'c') and selected(., 'd'))" jr:constraintMsg="option c and d cannot be selected together" nodeset="/widgets/select_widgets/my_select" type="select"/>
+      <bind nodeset="/widgets/select_widgets/select_horizontal_compact" type="select"/>
+      <bind nodeset="/widgets/select_widgets/select_horizontal" type="select"/>
+      <bind nodeset="/widgets/select_widgets/my_select1" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/select1_horizontal_compact" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/select1_horizontal" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/select1_likert" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/spinner" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/spinner_all" type="select"/>
+      <bind nodeset="/widgets/select_widgets/selectadvance" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/grid_test" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/grid_test_audio" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/table_list_test/table_list_test_label" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/table_list_test/table_list_1" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/table_list_test/table_list_2" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/table_list_test2/generated_table_list_label_42" readonly="true()" type="string"/>
+      <bind nodeset="/widgets/select_widgets/table_list_test2/reserved_name_for_field_list_labels_43" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/table_list_test2/table_list_3" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/table_list_test2/table_list_4" type="select1"/>
+      <bind nodeset="/widgets/select_widgets/happy_sad_table_2/happy_sad_second_method" type="select"/>
+      <bind nodeset="/widgets/select_widgets/happy_sad_table_2/happy_sad_brian2" type="select"/>
+      <bind nodeset="/widgets/select_widgets/happy_sad_table_2/happy_sad_michael2" type="select"/>
+      <bind nodeset="/widgets/select_widgets/happy_sad_table/generated_table_list_label_51" readonly="true()" type="string"/>
+      <bind nodeset="/widgets/select_widgets/happy_sad_table/reserved_name_for_field_list_labels_52" type="select"/>
+      <bind nodeset="/widgets/select_widgets/happy_sad_table/happy_sad_brian" type="select"/>
+      <bind nodeset="/widgets/select_widgets/happy_sad_table/happy_sad_michael" type="select"/>
+      <bind nodeset="/widgets/cascading_widgets/group1/country" type="select1"/>
+      <bind nodeset="/widgets/cascading_widgets/group1/city" type="select1"/>
+      <bind nodeset="/widgets/cascading_widgets/group1/neighborhood" type="select1"/>
+      <bind nodeset="/widgets/cascading_widgets/group2/country2" type="select1"/>
+      <bind nodeset="/widgets/cascading_widgets/group2/city2" type="select1"/>
+      <bind nodeset="/widgets/cascading_widgets/group2/neighborhood2" type="select1"/>
+      <bind nodeset="/widgets/geopoint_widgets/my_geopoint" type="geopoint"/>
+      <bind nodeset="/widgets/geopoint_widgets/my_geopoint_m" type="geopoint"/>
+      <bind nodeset="/widgets/geopoint_widgets/my_geotrace" type="geotrace"/>
+      <bind nodeset="/widgets/geopoint_widgets/my_geoshape" type="geoshape"/>
+      <bind nodeset="/widgets/media_widgets/my_image" type="binary"/>
+      <bind nodeset="/widgets/media_widgets/my_audio" type="binary"/>
+      <bind nodeset="/widgets/media_widgets/my_video" type="binary"/>
+      <bind nodeset="/widgets/media_widgets/my_barcode" type="barcode"/>
+      <bind nodeset="/widgets/display_widgets/my_output" readonly="true()" type="string"/>
+      <bind nodeset="/widgets/display_widgets/text_media" type="string"/>
+      <bind nodeset="/widgets/display_widgets/select_media" type="select1"/>
+      <bind nodeset="/widgets/display_widgets/my_trigger" required="true()"/>
+      <bind calculate="concat('uuid:', uuid())" nodeset="/widgets/meta/instanceID" readonly="true()" type="string"/>
+      <bind calculate="'1d168e7c230c4a77a70d9992adbfc6fa'" nodeset="/widgets/formhub/uuid" type="string"/>
+    </model>
+  </h:head>
+  <h:body class="theme-formhub">
+    <input ref="/widgets/intro">
+      <label>This form showcases the different available _widgets_. 
+
+The hints explain how these widgets were created. The form logo was added by simply uploading a file called form_logo.png in the Media section of the form settings page in formhub.
+
+The XLS Form source is [here](https://docs.google.com/spreadsheet/ccc?key=0Al3Mw5sknZoPdEpPa29tamFCc1o2bmFVR3RaemlSRXc&amp;usp=sharing).</label>
+    </input>
+    <group ref="/widgets/text_widgets">
+      <label>Text widgets</label>
+      <input ref="/widgets/text_widgets/my_string">
+        <label>Text widget</label>
+        <hint>Can be short or long but always one line (type = text)</hint>
+      </input>
+      <input appearance="multiline" ref="/widgets/text_widgets/my_long_text">
+        <label>Multiline Text widget in enketo (in ODK collect this a normal text field)</label>
+        <hint>Can be multiple lines (type=text, appearance = multiline)</hint>
+      </input>
+    </group>
+    <group ref="/widgets/number_widgets">
+      <label>Number widgets</label>
+      <input ref="/widgets/number_widgets/my_int">
+        <label>Integer widget (try entering a number &gt; 10)</label>
+        <hint>This field has a constraint (type=integer, constraint=.&lt;10)</hint>
+      </input>
+      <input ref="/widgets/number_widgets/my_decimal">
+        <label>Decimal widget (allows only number &gt; 10.51 and &lt; 18.39)</label>
+        <hint>This field has a constraint (type=decimal, constraint=. &gt; 10.51 and . &lt; 18.39)</hint>
+      </input>
+      <input appearance="distress" ref="/widgets/number_widgets/my_distress">
+        <label>Distress widget</label>
+        <hint>A highly specific widget to measure distress</hint>
+      </input>
+    </group>
+    <group ref="/widgets/date_time_widgets">
+      <label>Date and time widgets</label>
+      <input ref="/widgets/date_time_widgets/my_date">
+        <label>Date widget (this one allows only future dates and has a default value)</label>
+        <hint>This field has a constraint (type=date, constraint=.&gt;= today())</hint>
+      </input>
+      <input appearance="month-year" ref="/widgets/date_time_widgets/my_date_month_year">
+        <label>Month-year widget</label>
+        <hint>Simply specify an appearance style (type=date, appearance=month-year)</hint>
+      </input>
+      <input appearance="year" ref="/widgets/date_time_widgets/my_date_year">
+        <label>Year widget (year only)</label>
+        <hint>Simply specify and appearance style (type=date, appearance=year)</hint>
+      </input>
+      <input ref="/widgets/date_time_widgets/my_time">
+        <label>Time widget</label>
+        <hint>Times are easy! (type=time)</hint>
+      </input>
+      <input ref="/widgets/date_time_widgets/dateTime">
+        <label>Date and time widget</label>
+        <hint>For exact times, will be converted to UTC/GMT (type=dateTime)</hint>
+      </input>
+    </group>
+    <group ref="/widgets/select_widgets">
+      <label>Basic Select widgets</label>
+      <select ref="/widgets/select_widgets/my_select">
+        <label>Select multiple widget (don't pick c and d together)</label>
+        <hint>Using a list specified in the choices worksheet (type=select_multiple list)</hint>
+        <item>
+          <label>option a</label>
+          <value>a</value>
+        </item>
+        <item>
+          <label>option b</label>
+          <value>b</value>
+        </item>
+        <item>
+          <label>option c</label>
+          <value>c</value>
+        </item>
+        <item>
+          <label>option d</label>
+          <value>d</value>
+        </item>
+      </select>
+      <select appearance="horizontal-compact" ref="/widgets/select_widgets/select_horizontal_compact">
+        <label>Select multiple widget displaying horizontally (in Enketo)</label>
+        <hint>(type = select_multiple, appearance=horizontal-compact)</hint>
+        <item>
+          <label>option a</label>
+          <value>a</value>
+        </item>
+        <item>
+          <label>option b</label>
+          <value>b</value>
+        </item>
+        <item>
+          <label>option c</label>
+          <value>c</value>
+        </item>
+        <item>
+          <label>option d</label>
+          <value>d</value>
+        </item>
+      </select>
+      <select appearance="horizontal" ref="/widgets/select_widgets/select_horizontal">
+        <label>Select one displaying horizontally but in columns (in Enketo)</label>
+        <hint>(type=select_multiple, appearance=horizontal)</hint>
+        <item>
+          <label>option 1</label>
+          <value>1</value>
+        </item>
+        <item>
+          <label>option 2</label>
+          <value>2</value>
+        </item>
+        <item>
+          <label>option 3</label>
+          <value>3</value>
+        </item>
+        <item>
+          <label>option 4</label>
+          <value>4</value>
+        </item>
+        <item>
+          <label>option 5</label>
+          <value>5</value>
+        </item>
+        <item>
+          <label>option 6</label>
+          <value>6</value>
+        </item>
+        <item>
+          <label>option 7</label>
+          <value>7</value>
+        </item>
+        <item>
+          <label>option 8</label>
+          <value>8</value>
+        </item>
+      </select>
+      <select1 ref="/widgets/select_widgets/my_select1">
+        <label>Select one widget</label>
+        <hint>Scroll down to see default selection (type=select_one list2, default=8)</hint>
+        <item>
+          <label>option 1</label>
+          <value>1</value>
+        </item>
+        <item>
+          <label>option 2</label>
+          <value>2</value>
+        </item>
+        <item>
+          <label>option 3</label>
+          <value>3</value>
+        </item>
+        <item>
+          <label>option 4</label>
+          <value>4</value>
+        </item>
+        <item>
+          <label>option 5</label>
+          <value>5</value>
+        </item>
+        <item>
+          <label>option 6</label>
+          <value>6</value>
+        </item>
+        <item>
+          <label>option 7</label>
+          <value>7</value>
+        </item>
+        <item>
+          <label>option 8</label>
+          <value>8</value>
+        </item>
+      </select1>
+      <select1 appearance="horizontal-compact" ref="/widgets/select_widgets/select1_horizontal_compact">
+        <label>Select one displaying compactly and horizontally (in Enketo)</label>
+        <hint>(type=select_one, appearance=horizontal-compact)</hint>
+        <item>
+          <label>Yes</label>
+          <value>yes</value>
+        </item>
+        <item>
+          <label>No</label>
+          <value>no</value>
+        </item>
+        <item>
+          <label>Don't Know</label>
+          <value>dk</value>
+        </item>
+        <item>
+          <label>Not Applicable</label>
+          <value>na</value>
+        </item>
+      </select1>
+      <select1 appearance="horizontal" ref="/widgets/select_widgets/select1_horizontal">
+        <label>Select one displaying horizontally but in columns (in Enketo)</label>
+        <hint>(type=select_one, appearance=horizontal)</hint>
+        <item>
+          <label>option 1</label>
+          <value>1</value>
+        </item>
+        <item>
+          <label>option 2</label>
+          <value>2</value>
+        </item>
+        <item>
+          <label>option 3</label>
+          <value>3</value>
+        </item>
+        <item>
+          <label>option 4</label>
+          <value>4</value>
+        </item>
+        <item>
+          <label>option 5</label>
+          <value>5</value>
+        </item>
+        <item>
+          <label>option 6</label>
+          <value>6</value>
+        </item>
+        <item>
+          <label>option 7</label>
+          <value>7</value>
+        </item>
+        <item>
+          <label>option 8</label>
+          <value>8</value>
+        </item>
+      </select1>
+      <select1 appearance="likert" ref="/widgets/select_widgets/select1_likert">
+        <label>Likert widget</label>
+        <hint>(type=select_one, appearance=likert)</hint>
+        <item>
+          <label>strongly disagree</label>
+          <value>1</value>
+        </item>
+        <item>
+          <label>disagree</label>
+          <value>2</value>
+        </item>
+        <item>
+          <label>neither agree nor disagree</label>
+          <value>3</value>
+        </item>
+        <item>
+          <label>agree</label>
+          <value>4</value>
+        </item>
+        <item>
+          <label>strongly agree</label>
+          <value>5</value>
+        </item>
+      </select1>
+      <select1 appearance="minimal" ref="/widgets/select_widgets/spinner">
+        <label>Spinner widget: select one</label>
+        <hint>Showing a pull-down list of options (type=select_one list, appearance=minimal)</hint>
+        <item>
+          <label>option a</label>
+          <value>a</value>
+        </item>
+        <item>
+          <label>option b</label>
+          <value>b</value>
+        </item>
+        <item>
+          <label>option c</label>
+          <value>c</value>
+        </item>
+        <item>
+          <label>option d</label>
+          <value>d</value>
+        </item>
+      </select1>
+      <select appearance="minimal" ref="/widgets/select_widgets/spinner_all">
+        <label>Spinner widget: select multiple</label>
+        <hint>Showing a pull-down list of options (type=select_multiple list, appearance=minimal)</hint>
+        <item>
+          <label>option a</label>
+          <value>a</value>
+        </item>
+        <item>
+          <label>option b</label>
+          <value>b</value>
+        </item>
+        <item>
+          <label>option c</label>
+          <value>c</value>
+        </item>
+        <item>
+          <label>option d</label>
+          <value>d</value>
+        </item>
+      </select>
+      <select1 appearance="quick" ref="/widgets/select_widgets/selectadvance">
+        <label>Select widget - auto advance</label>
+        <hint>Advance to the next question immediate after selection in ODK Collect. (type=select_one list, appearance=quick)</hint>
+        <item>
+          <label>option a</label>
+          <value>a</value>
+        </item>
+        <item>
+          <label>option b</label>
+          <value>b</value>
+        </item>
+        <item>
+          <label>option c</label>
+          <value>c</value>
+        </item>
+        <item>
+          <label>option d</label>
+          <value>d</value>
+        </item>
+      </select1>
+      <select1 appearance="compact" ref="/widgets/select_widgets/grid_test">
+        <label>Grid select one widget</label>
+        <hint>Make sure to put a.jpg and b.jpg in the form-media folder to see images here. (type=select_one a_b, appearance=compact)</hint>
+        <item>
+          <label ref="jr:itext('/widgets/select_widgets/grid_test/a:label')"/>
+          <value>a</value>
+        </item>
+        <item>
+          <label ref="jr:itext('/widgets/select_widgets/grid_test/b:label')"/>
+          <value>b</value>
+        </item>
+      </select1>
+      <select1 appearance="quickcompact" ref="/widgets/select_widgets/grid_test_audio">
+        <label>Grid auto-advance widget</label>
+        <hint>Same as previous but this one advances to the next question automatically in ODK Collect. (type=select_one a_b, appearance=quickcompact)</hint>
+        <item>
+          <label ref="jr:itext('/widgets/select_widgets/grid_test_audio/a:label')"/>
+          <value>a</value>
+        </item>
+        <item>
+          <label ref="jr:itext('/widgets/select_widgets/grid_test_audio/b:label')"/>
+          <value>b</value>
+        </item>
+      </select1>
+      <group appearance="field-list" ref="/widgets/select_widgets/table_list_test">
+        <label>List group</label>
+        <select1 appearance="label" ref="/widgets/select_widgets/table_list_test/table_list_test_label">
+          <label>Table</label>
+          <hint>Show only the labels of these options and not the inputs (type=select_one yes_no, appearance=label)</hint>
+          <item>
+            <label>Yes</label>
+            <value>yes</value>
+          </item>
+          <item>
+            <label>No</label>
+            <value>no</value>
+          </item>
+          <item>
+            <label>Don't Know</label>
+            <value>dk</value>
+          </item>
+          <item>
+            <label>Not Applicable</label>
+            <value>na</value>
+          </item>
+        </select1>
+        <select1 appearance="list-nolabel" ref="/widgets/select_widgets/table_list_test/table_list_1">
+          <label>Q1</label>
+          <hint>Show only the inputs of these options and not the labels (type=select_one yes_no, appearance=list-nolabel)</hint>
+          <item>
+            <label>Yes</label>
+            <value>yes</value>
+          </item>
+          <item>
+            <label>No</label>
+            <value>no</value>
+          </item>
+          <item>
+            <label>Don't Know</label>
+            <value>dk</value>
+          </item>
+          <item>
+            <label>Not Applicable</label>
+            <value>na</value>
+          </item>
+        </select1>
+        <select1 appearance="list-nolabel" ref="/widgets/select_widgets/table_list_test/table_list_2">
+          <label>Question 2</label>
+          <hint>Show only the inputs of these options and not the labels (type=select_one yes_no, appearance=list-nolabel)</hint>
+          <item>
+            <label>Yes</label>
+            <value>yes</value>
+          </item>
+          <item>
+            <label>No</label>
+            <value>no</value>
+          </item>
+          <item>
+            <label>Don't Know</label>
+            <value>dk</value>
+          </item>
+          <item>
+            <label>Not Applicable</label>
+            <value>na</value>
+          </item>
+        </select1>
+      </group>
+      <group appearance="field-list" ref="/widgets/select_widgets/table_list_test2">
+        <input ref="/widgets/select_widgets/table_list_test2/generated_table_list_label_42">
+          <label>Table (made with an easier method)</label>
+          <hint>A much easier way to do the same (appearance=table-list) but it may slow down your form a bit.</hint>
+        </input>
+        <select1 appearance="label" ref="/widgets/select_widgets/table_list_test2/reserved_name_for_field_list_labels_43">
+          <label/>
+          <item>
+            <label>Yes</label>
+            <value>yes</value>
+          </item>
+          <item>
+            <label>No</label>
+            <value>no</value>
+          </item>
+          <item>
+            <label>Don't Know</label>
+            <value>dk</value>
+          </item>
+          <item>
+            <label>Not Applicable</label>
+            <value>na</value>
+          </item>
+        </select1>
+        <select1 appearance="list-nolabel" ref="/widgets/select_widgets/table_list_test2/table_list_3">
+          <label>Q1</label>
+          <hint>No need to do anything special here</hint>
+          <item>
+            <label>Yes</label>
+            <value>yes</value>
+          </item>
+          <item>
+            <label>No</label>
+            <value>no</value>
+          </item>
+          <item>
+            <label>Don't Know</label>
+            <value>dk</value>
+          </item>
+          <item>
+            <label>Not Applicable</label>
+            <value>na</value>
+          </item>
+        </select1>
+        <select1 appearance="list-nolabel" ref="/widgets/select_widgets/table_list_test2/table_list_4">
+          <label>Question 2</label>
+          <hint>No need to do anything special here</hint>
+          <item>
+            <label>Yes</label>
+            <value>yes</value>
+          </item>
+          <item>
+            <label>No</label>
+            <value>no</value>
+          </item>
+          <item>
+            <label>Don't Know</label>
+            <value>dk</value>
+          </item>
+          <item>
+            <label>Not Applicable</label>
+            <value>na</value>
+          </item>
+        </select1>
+      </group>
+      <group appearance="field-list" ref="/widgets/select_widgets/happy_sad_table_2">
+        <label>Table with image labels</label>
+        <select appearance="label" ref="/widgets/select_widgets/happy_sad_table_2/happy_sad_second_method">
+          <label>Select mood</label>
+          <hint>Show only the labels of these options and not the inputs (type=select_one yes_no, appearance=label)</hint>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table_2/happy_sad_second_method/happy:label')"/>
+            <value>happy</value>
+          </item>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table_2/happy_sad_second_method/sad:label')"/>
+            <value>sad</value>
+          </item>
+        </select>
+        <select appearance="list-nolabel" ref="/widgets/select_widgets/happy_sad_table_2/happy_sad_brian2">
+          <label>Brian</label>
+          <hint>Show only the inputs of these options and not the labels (type=select_one yes_no, appearance=list-nolabel)</hint>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table_2/happy_sad_brian2/happy:label')"/>
+            <value>happy</value>
+          </item>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table_2/happy_sad_brian2/sad:label')"/>
+            <value>sad</value>
+          </item>
+        </select>
+        <select appearance="list-nolabel" ref="/widgets/select_widgets/happy_sad_table_2/happy_sad_michael2">
+          <label>Michael</label>
+          <hint>Show only the inputs of these options and not the labels (type=select_one yes_no, appearance=list-nolabel)</hint>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table_2/happy_sad_michael2/happy:label')"/>
+            <value>happy</value>
+          </item>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table_2/happy_sad_michael2/sad:label')"/>
+            <value>sad</value>
+          </item>
+        </select>
+      </group>
+      <group appearance="field-list" ref="/widgets/select_widgets/happy_sad_table">
+        <input ref="/widgets/select_widgets/happy_sad_table/generated_table_list_label_51">
+          <label>Table with image labels (made using an easier method)</label>
+          <hint>A much easier way to do the same (appearance=table-list)</hint>
+        </input>
+        <select appearance="label" ref="/widgets/select_widgets/happy_sad_table/reserved_name_for_field_list_labels_52">
+          <label/>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table/reserved_name_for_field_list_labels_52/happy:label')"/>
+            <value>happy</value>
+          </item>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table/reserved_name_for_field_list_labels_52/sad:label')"/>
+            <value>sad</value>
+          </item>
+        </select>
+        <select appearance="list-nolabel" ref="/widgets/select_widgets/happy_sad_table/happy_sad_brian">
+          <label>Brian</label>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table/happy_sad_brian/happy:label')"/>
+            <value>happy</value>
+          </item>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table/happy_sad_brian/sad:label')"/>
+            <value>sad</value>
+          </item>
+        </select>
+        <select appearance="list-nolabel" ref="/widgets/select_widgets/happy_sad_table/happy_sad_michael">
+          <label>Michael</label>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table/happy_sad_michael/happy:label')"/>
+            <value>happy</value>
+          </item>
+          <item>
+            <label ref="jr:itext('/widgets/select_widgets/happy_sad_table/happy_sad_michael/sad:label')"/>
+            <value>sad</value>
+          </item>
+        </select>
+      </group>
+    </group>
+    <group ref="/widgets/cascading_widgets">
+      <label>Cascading Select widgets</label>
+      <group ref="/widgets/cascading_widgets/group1">
+        <label>Cascading Selects with Radio Buttons</label>
+        <select1 ref="/widgets/cascading_widgets/group1/country">
+          <label>Country</label>
+          <item>
+            <label>The Netherlands</label>
+            <value>nl</value>
+          </item>
+          <item>
+            <label>United States</label>
+            <value>usa</value>
+          </item>
+        </select1>
+        <select1 ref="/widgets/cascading_widgets/group1/city">
+          <label>City</label>
+          <hint>Using a choice filter to update options based on a previous answer (choice_filter: country = <output value=" /widgets/cascading_widgets/group1/country "/>)</hint>
+          <itemset nodeset="instance('cities')/root/item[country= /widgets/cascading_widgets/group1/country ]">
+            <value ref="name"/>
+            <label ref="jr:itext(itextId)"/>
+          </itemset>
+        </select1>
+        <select1 ref="/widgets/cascading_widgets/group1/neighborhood">
+          <label>Neighborhood</label>
+          <hint>Using a choice filter to update options based on previous answers (choice_filter: country = <output value=" /widgets/cascading_widgets/group1/country "/> and city = <output value=" /widgets/cascading_widgets/group1/city "/>)</hint>
+          <itemset nodeset="instance('neighborhoods')/root/item[country= /widgets/cascading_widgets/group1/country  and city= /widgets/cascading_widgets/group1/city ]">
+            <value ref="name"/>
+            <label ref="jr:itext(itextId)"/>
+          </itemset>
+        </select1>
+      </group>
+      <group ref="/widgets/cascading_widgets/group2">
+        <label>Cascading Selects with Pulldowns</label>
+        <select1 appearance="minimal" ref="/widgets/cascading_widgets/group2/country2">
+          <label>Country</label>
+          <hint>(appearance: minimal)</hint>
+          <item>
+            <label>The Netherlands</label>
+            <value>nl</value>
+          </item>
+          <item>
+            <label>United States</label>
+            <value>usa</value>
+          </item>
+        </select1>
+        <select1 appearance="minimal" ref="/widgets/cascading_widgets/group2/city2">
+          <label>City</label>
+          <hint>Using a choice filter to update options based on a previous answer (choice_filter: country = <output value=" /widgets/cascading_widgets/group2/country2 "/>, appearance: minimal)</hint>
+          <itemset nodeset="instance('cities')/root/item[country= /widgets/cascading_widgets/group2/country2 ]">
+            <value ref="name"/>
+            <label ref="jr:itext(itextId)"/>
+          </itemset>
+        </select1>
+        <select1 appearance="minimal" ref="/widgets/cascading_widgets/group2/neighborhood2">
+          <label>Neighborhood</label>
+          <hint>Using a choice filter to update options based on previous answers (choice_filter: country = <output value=" /widgets/cascading_widgets/group2/country2 "/> and city = <output value=" /widgets/cascading_widgets/group2/city2 "/>, appearance = minimal)</hint>
+          <itemset nodeset="instance('neighborhoods')/root/item[country= /widgets/cascading_widgets/group2/country2  and city= /widgets/cascading_widgets/group2/city2 ]">
+            <value ref="name"/>
+            <label ref="jr:itext(itextId)"/>
+          </itemset>
+        </select1>
+      </group>
+    </group>
+    <group ref="/widgets/geopoint_widgets">
+      <label>GPS widgets</label>
+      <input ref="/widgets/geopoint_widgets/my_geopoint">
+        <label>Geopoint widget</label>
+        <hint>This will record the gps location. In enketo it also shows a map. (type=geopoint)</hint>
+      </input>
+      <input appearance="maps" ref="/widgets/geopoint_widgets/my_geopoint_m">
+        <label>Geopoint with map Widget</label>
+        <hint>This will record the gps location. In enketo is is the same as the previous. (type=geopoint, appearance=maps)</hint>
+      </input>
+      <input appearance="maps" ref="/widgets/geopoint_widgets/my_geotrace">
+        <label>Geotrace widget</label>
+        <hint>This will record a sequence/line of geopoints (type=geotrace, appearance=maps)</hint>
+      </input>
+      <input appearance="maps" ref="/widgets/geopoint_widgets/my_geoshape">
+        <label>Geoshape widget</label>
+        <hint>This will record a closed sequence/polygon of geopoints (type=geoshape, appearance=maps)</hint>
+      </input>
+    </group>
+    <group ref="/widgets/media_widgets">
+      <label>Media input widgets</label>
+      <upload mediatype="image/*" ref="/widgets/media_widgets/my_image">
+        <label>Image widget</label>
+        <hint>This will launch the camera. Not supported in enketo at the moment (type=image)</hint>
+      </upload>
+      <upload mediatype="audio/*" ref="/widgets/media_widgets/my_audio">
+        <label>Audio widget</label>
+        <hint>This will launch the audio recorder. Not supported in enketo at the moment (type=audio)</hint>
+      </upload>
+      <upload mediatype="video/*" ref="/widgets/media_widgets/my_video">
+        <label>Video widget</label>
+        <hint>This will launch the video recorder. Not supported in enketo at the moment (type=video)</hint>
+      </upload>
+      <input ref="/widgets/media_widgets/my_barcode">
+        <label>Barcode widget</label>
+        <hint>Scans multi-format 1d/2d barcodes. In enketo it allows manual entry (type=barcode)</hint>
+      </input>
+    </group>
+    <group ref="/widgets/display_widgets">
+      <label>Display widgets</label>
+      <input ref="/widgets/display_widgets/my_output">
+        <label>Note widget. In notes you can emphasize _words_ or _multiple words_ or __strongly emphasize something__.
+You can also use a line break to start a new sentence.
+
+The decimal number you entered was <output value=" /widgets/number_widgets/my_decimal "/>.</label>
+        <hint>This is a note and it uses a value of another field in its label (type=note)</hint>
+      </input>
+      <input ref="/widgets/display_widgets/text_media">
+        <label ref="jr:itext('/widgets/display_widgets/text_media:label')"/>
+        <hint>Add the file name in the audio column on your survey sheet. Make sure you upload this file when you publish your form.</hint>
+      </input>
+      <select1 ref="/widgets/display_widgets/select_media">
+        <label>You can also add media to choices. Choose your favorite bird.</label>
+        <hint>Add the file name in the image column on your choices sheet. Make sure you upload this file when you publish your form.</hint>
+        <item>
+          <label ref="jr:itext('/widgets/display_widgets/select_media/king:label')"/>
+          <value>king</value>
+        </item>
+        <item>
+          <label ref="jr:itext('/widgets/display_widgets/select_media/pig:label')"/>
+          <value>pig</value>
+        </item>
+        <item>
+          <label ref="jr:itext('/widgets/display_widgets/select_media/nut:label')"/>
+          <value>nut</value>
+        </item>
+      </select1>
+      <trigger ref="/widgets/display_widgets/my_trigger">
+        <label>Acknowledge widget</label>
+        <hint>Need to push button to proceed to next question in ODK. In enketo no user action is required, the message is simply displayed the same as a note. (type=trigger)</hint>
+      </trigger>
+    </group>
+  </h:body>
+</h:html>
diff --git a/packages/centro/test/form-model.spec.js b/packages/centro/test/form-model.spec.js
new file mode 100644
index 0000000000000000000000000000000000000000..54a66d9e2f4baf24a779a4947220db7436765df2
--- /dev/null
+++ b/packages/centro/test/form-model.spec.js
@@ -0,0 +1,19 @@
+/* eslint-env mocha */
+
+const chai = require( 'chai' );
+const expect = chai.expect;
+const chaiAsPromised = require( 'chai-as-promised' );
+
+chai.use( chaiAsPromised );
+
+describe( 'Form Model', () => {
+
+    before( () => {} );
+
+    afterEach( () => {} );
+
+    it( 'requires comprehensive testing', () => {
+        return expect( true ).to.equal( true );
+    } );
+
+} );
\ No newline at end of file
diff --git a/packages/centro/test/utils-lib.spec.js b/packages/centro/test/utils-lib.spec.js
new file mode 100644
index 0000000000000000000000000000000000000000..c29d9471dfb3ad7b550d366841c4391d3b96deca
--- /dev/null
+++ b/packages/centro/test/utils-lib.spec.js
@@ -0,0 +1,17 @@
+/* eslint-env mocha */
+
+const chai = require( 'chai' );
+const expect = chai.expect;
+const utils = require( '../app/lib/utils' );
+
+describe( 'Utils library', () => {
+
+    before( () => {} );
+
+    afterEach( () => {} );
+
+    it( 'requires comprehensive testing', () => {
+        return expect( true ).to.equal( true );
+    } );
+
+} );
\ No newline at end of file