BigBlueButton
Supports real-time sharing of audio, video, slides (with whiteboard controls), chat, and the screen. Instructors can engage remote students with polling, emojis, and breakout rooms.
Galene
Galène (or Galene) is a videoconference server (an “SFU”) that is easy to deploy and that requires moderate server resources.
Janus
General-purpose, lightweight, minimalist WebRTC Server.
Jitsi Video Bridge
WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication.
Jitsi Meet
Jitsi Meet is an OpenSource (MIT) WebRTC Javascript application that uses Jitsi Videobridge to provide high quality, scalable video conferences.
MiroTalk P2P
Simple, secure, fast real-time video conferences up to 4k and 60fps, compatible with all browsers and platforms.
MiroTalk SFU
Simple, secure, scalable real-time video conferences up to 4k, compatible with all browsers and platforms.
MiroTalk C2C
Real-time cam-2-cam video calls & screen sharing, end-to-end encrypted, to embed in any website with a simple iframe.
plugNmeet
Scalable, High Performance, Open source web conferencing system.