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MIT App Inventor

MIT App Inventor Public Open Source

Getting Started

Welcome to the MIT App Inventor Open Source Release. This is where you will find documentation to help you build and work with the App Inventor Source Code. For a high-level overview of the App Inventor source code, you can click here.


You can find more information about the App Inventor Team in the main website.

The following members of the extended App Inventor Open Source community have contributed to the project:

M. Hossein Amerkashi

Hossein is a member of the MIT App Inventor Development Team. He has done several contributions to the App Inventor.
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Birkan Uzun

Junior at MIT, majoring in Computer Science and Engineering. Implemented the App Inventor Sources Website.


Irene Kwok

Senior at Wellesley College, majoring in Computer Science and East Asian Studies. Designed the UI for the App Inventor Sources Website.



Do you want to contribute to the project? Keep reading...

We are working on a Contributor Agreement at this point, and we will also publish soon a document with guidelines. In the meantime, before sending a Pull Request, please make sure you have gone through all the points in the following checklist:

  • Does your code work on Android version 1.5?
  • Did you create unit tests for your changes?
  • Did you run all tests?
  • Did you pull in the latest changes from the repository master branch?
  • Did you rebase your commit to the master branch?
  • Have you put up an instance and a buildserver running your code, so a reviewer can try it?
  • Have you provided a reviewer with a demonstration app (source and apk)?

If any of the previous points does not apply to your particular contribution, please state so in the comments of the request.

Contact Us

Got questions?

Ask the Open Source Development Google group.