/chat
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
35
/etherpad-l
Etherpad: A modern really-real-time collaborative document editor.
3
/jitsi-meet
Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.
5