OpenBoard, Android 100% FOSS keyboard, based on AOSP:

OpenBoard, Android 100% FOSS keyboard, based on AOSP:
* https://github.com/openboard-team/openboard
* https://en.wikipedia.org/wiki/OpenBoard_(keyboard)
OpenBoard with Gesture Typing:
* All source available, but of unknown licenses, with no builds: https://github.com/wordmage/openboard
* Using Google proprietary blob libjni_latinimegoogle.so: https://github.com/erkserkserks/openboard
App disappeared from F-Droid and Google Play, due to development ceasing, but a fork called HeliBoard has appeared.