An open-source keyboard for Android which respects your privacy. Currently in early-beta. - florisboard/florisboard
FlorisBoard is a free and open-source keyboard for Android 7.0+ devices. It aims at being modern, user-friendly and customizable while fully respecting your privacy. Currently in early-beta state.
@land@gedaliyah
This is not possible as the addons only provide static files and no executable code.
The word suggestions will be embedded natively in the app in version 0.5 (if not, then in v 0.6).