The reference clients and server are a good place to start. They're the place to find all the protocol features implemented and well supported. The Element cli

The reference clients and server are a good place to start. They're the place to find all the protocol features implemented and well supported. The Element client (desktop/web/android) is electron-based https://element.io/get-started https://element.io/get-started Synapse is the server to start with https://github.com/matrix-org/synapse/ https://github.com/matrix-org/synapse/ From there, what's the first place to find people to chat? I don't have a good answer there, but the 'spaces' functionality is a nice way to group communities.