BigBlueButton supports real-time sharing of audio, video, slides (with whiteboard controls), chat, and the screen. Instructors can engage remote students with polling, emojis, multi-user whiteboard, and breakout rooms.
Presenters can record and playback content for later sharing with others.
We designed BigBlueButton for online learning (though it can be used for many [other applications](http://www.c4isrnet.com/story/military-tech/disa/2015/02/11/disa-to-save-12m-defense-collaboration-services/23238997/)). The educational use cases for BigBlueButton are
You can install on a Ubuntu 16.04 64-bit server. We provide [bbb-install.sh](https://github.com/bigbluebutton/bbb-install) to let you have a server up and running within 30 minutes (or your money back 😉).
For full technical documentation BigBlueButton -- including architecture, features, API, and GreenLight (the default front-end) -- see [https://docs.bigbluebutton.org/](https://docs.bigbluebutton.org/).