There's also honk[0] which aims to be a small ActivityPub server implementation with "minimal setup and support costs". [0]: https://humungus.tedunangst.com/r/

There's also honk[0] which aims to be a small ActivityPub server implementation with "minimal setup and support costs". [0]: https://humungus.tedunangst.com/r/honk https://humungus.tedunangst.com/r/honk