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About the developer

531 Stars 129 Forks GNU General Public License v3.0 2.6K Commits 68 Opened issues


Augmentative and Alternative Communication (AAC) communication system with text-to-speech for the browser

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Contributors list

Crowdin Backers on Open Collective Sponsors on Open Collective cboard-org

Cboard - AAC Communication Board for the Browser

Cboard is an augmentative and alternative communication (AAC) web application, allowing users with speech and language impairments (autism, cerebral palsy) to communicate by symbols and text-to-speech.

Cboard GIF demo

The app uses the browser's Speech Synthesis API to generate speech when a symbol is clicked, there are thousands of symbols from the most popular AAC symbol libraries to choose from when creating a board. Cboard is available in 40 languages (support varies by platform - Android, iOS, Windows).

We're using Discord to collaborate, join us at:

How does it work?

This video shows Srna, she is one of the children who have received the Cboard Communicator thanks to UNICEF’s "For every child, a voice" project.

Real Look Autism Episode 8


The app supports 40 languages. Languages were machine translated and require proofreading, if you want to help proofread, please use our translation management platform:

You do not need to be a programmer!

Translations play a major role in this project and they contribute a lot for inclusion of children specially in non developed countries. Please consider to collaborate with us!

Translations for developers

In order to pull the latest translations from CrowdIn into the codebase, you can run

yarn translations:pull
. This will update all language files such as
as well as the central
file. Please note that this requires the CrowdIn API key to be available in the
config file. Refer to Secrets Management. After the script completes, changes to the translation files will need to be committed to the repo by the usual process.

Getting Started

npm start
yarn start

Runs the app in development mode.
Open http://localhost:3000 to view it in the browser.

The page will reload if you make edits.
You will see the build errors and lint warnings in the console.

npm test
yarn test

Runs the test watcher in an interactive mode.
By default, runs tests related to files changed since the last commit.

Read more about testing.

npm run build
yarn build

Builds the app for production to the

It correctly bundles React in production mode and optimizes the build for the best performance.

The build is minified and the filenames include the hashes.
By default, it also includes a service worker so that Cboard loads from local cache on future visits.

Cboard is ready to be deployed.

npm run build-cordova-debug

Use this to produce non-minified build for use in debugging within Cordova. It uses

to customize webpack operation without ejecting react.

See CCBoard repo for packaging this C-Board application within Cordova.

Docker getting started

make image

Creates a Docker image with cboard built for production. The image is tagged as cboard:latest.

make run

Runs the cboard:latest Docker image on port 5000.

Secrets Management

Some external services have APIs we want to access, and these require API keys. To prevent open disclosure of these keys in the public repository, while still tracking them with the code, we encrypt some secrets into a GPG file. These files are


In order to access the secrets, you must request the

from @shaycojo and then run the decrypt script:
ENCRYPTION_KEY={key-goes-here} yarn decrypt:local
), which will create the file
with the secrets in plain text where the scripts can access them. The files in
should never be committed to the repository.

If you need to add or change a secret, make the change to the

file, and then run the encryption script:
ENCRYPTION_KEY={key-goes-here} yarn encrypt:local

Note: These keys/secrets are not required to run or develop Cboard. They are used with scripts by some team members.

About the Cboard community

Cauldron dashboard and metrics for the Cboard project community


Symbols sources

Mulberry Mulberry


Global Symbols Global Symbols


Crowdin Crowdin - for providing the localization management platform.

Testing platform

Browserstack Browserstack - for providing the automation infrastructure for testing.


CSS-Tricks CSS Tricks - for providing feedback and support from the early stage.


This project exists thanks to all the people who contribute. [Contribute].


Thank you to all our backers! 🙏 [Become a backer]


Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]


Code - GPLv3

Mulberry Symbols - CC BY-SA


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