bigbluebutton

BigBlueButton is a video conferencing platform designed specifically for online education. It includes built-in whiteboards, screen sharing, polls, and breakout rooms tailored for classroom and training environments.

• Interactive multi-user whiteboard with real-time collaborative drawing
• Breakout rooms for dynamically creating small group discussion spaces
• Real-time polling and surveys for checking audience comprehension
• Recording capabilities for capturing and replaying sessions
• Presentation sharing with PDF and slide upload with annotation support
• LMS integration with Moodle, Canvas, Sakai, and other learning management systems

Built with Java and HTML, BigBlueButton is self-hosted on Ubuntu servers. With extensive adoption by educational institutions, it provides a Zoom alternative purpose-built for teaching and training scenarios.