![[Logo]](https://appassay.org/assets/appassay-logo-65x65.png){kind=logo}
Is the source code available for review, reuse, or not at all.
We found the following implementation choices:
- Source available
- An App is implemented as source available if the source code of all of its parts can be examined, but it does not use an open-source license.
- Open Source
- An app is implemented as open source if all of its parts use an open-source license.
- Mixed Source
- An app is that uses more than one licensing style, such as open-source and closed-source.
- Closed Source
- An app is implemented as closed source if none of its parts are available in source code.