I've been working on Habitat for the last 4 months. It's a self-hosted social platform for local communities. The plan is for it to be federated, but that's a while off yet.
- The idea: https://carlnewton.github.io/posts/location-based-social-net...
- A build update and plan: https://carlnewton.github.io/posts/building-habitat/
- The repository: https://github.com/carlnewton/habitat
- The project board: https://github.com/users/carlnewton/projects/2