The Gemini Protocol does a good job at being a minimal alternative, but it’s quite limited in what is capable. It’ll never be adequate for banking or video games.

Social media and reddit alternatives? No problem.

i just started using Interstellar on Android. Really liking it so far.

Liftoff. Just a plain, minimal, and stable experience.

Project Gorgon!

Well known software built using Matrix. A lot of people have been following this project.

Liberapay, 12$/year to any open source project I use. It isn’t much, but its what I can afford.