Successfully using entirely self-hosted+federated Riot/Matrix/Jitsi/Etherpad/PeerTube to host lectures, teleconference with students, answer questions in chat, and collaboratively edit their code. Write-up is incoming. Once I take a nap.
We're thrilled to welcome Mozilla to the Matrix federation! Moznet IRC was disabled yesterday, so come join Mozilla on Matrix! https://matrix.org/blog/2020/03/03/moznet-irc-is-dead-long-live-mozilla-matrix
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!