Now, the best thing I found that fits those is EMDB. The whole db is kept in one folder and the interface is made for a desktop. The problem is the bugs or "inconveniences" that are introduced with new versions. Aside from a big issue in detecting files that has been there forever. I tried contacting the author before, he responds at first but then it seems it's like to much bother. The detection solution has no... Source: almost 3 years ago

I didn't last long with the stock keyboard before installing AnySoftKeyboard which is one of the few FOSS alternative with support for swipe typing. The experience was... OK. It felt slow and it's accuracy left a lot to be desired. I still had to be slow and pretty accurate, so it didn't really feel like much of a change from the stock experience. FlorisBoard have also introduced their own implementation but the... - Source: dev.to / 4 months ago

Keyboard → OpenBoard (OpenBoard Upadted Fork, FlorisBoard when the v4 will be released...). Source: 10 months ago

The Github code repository (https://github.com/florisboard/florisboard) had an update on February 24, so the app is not abandoned. It reads like they plan a massive update for the next version, and word suggestions will be available. Source: about 1 year ago

I tested two: AnySoftKeyboard, it's stable and works even on very old devices, but it lacks modern features and the settings are really ugly and confusing (but once you look at all of them, you'll be able to make the keyboard the way you like it, is very customizable). And I also tested FlorisBoard, it's modern, beautiful, but it's a work in progress currently in early-beta stage and it has many incomplete or... Source: about 1 year ago

Probably only via AOSP mirror. It's an AOSP component so not officially available as its own component. Check out https://github.com/florisboard/florisboard for a GitHub based OSS keyboard. Source: about 1 year ago