BigBlueButton

BigBlueButton is an open-source web conferencing system purpose-built for virtual classrooms and online learning, with real-time audio/video, slides, multi-user whiteboard, polls, breakout rooms and session recording. It is self-hosted on Linux and integrates with LMS platforms such as Moodle and Canvas.

• Open-source alternative to: Zoom
• Licence: LGPL-3.0 (Weak copyleft open source)
• Website: https://bigbluebutton.org/
• Source code: https://github.com/bigbluebutton/bigbluebutton
• GitHub stars: 9262, forks: 5983
• Topics: video conferencing, virtual classroom, online learning, webinars, education, bigbluebutton, collaboration, conferencing, video, video-conferencing, webrtc