Open Source ActionScript Web Conferencing Software

BigBlueButton is an open-source virtual classroom platform built to help teachers teach and learners learn online. It enables real-time collaboration through audio, video, slide presentations, screen sharing, and interactive whiteboards. Educators can actively engage students using polls, emojis, shared notes, multi-user whiteboards, and breakout rooms. The platform includes a Learning Analytics Dashboard that provides moderators with live insights into participant activity and engagement. BigBlueButton also supports session recording and playback, making it ideal for asynchronous learning and content reuse. Designed primarily for education, it adapts seamlessly to online tutoring, flipped classrooms, group collaboration, and large-scale virtual classes.

Flashlight-VNC is a VNC Viewer written in Flash. It can connect to a VNC server and control a remote computer. It supports Tight Encoding and other encodings.

BizBiz is an open source browser based video conference, collaboration and learning tool which supports slideshows, webpage demonstration, synchronous pre-recorded video display, chat and lecturers live narration using webcamera provided video and a