A free (libre), open-source (GNU LGPL) web-conferencing system developed with support from the Mozilla Foundation's WebFWD project. Designed for online education, BigBluebutton provides voice- and video-conferencing capabilities that include conference recording, presentation uploads, virtual whiteboard, and simultaneous webcam users.
The BigBlueButton server runs on Linux, but virtual machine images are available for running the server on other platforms.
a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, ...) as well as DVDs, VCDs, and various streaming protocols. It can also be used as a server to stream in unicast or multicast in IPv4 or IPv6
a flexible audio converter software, which is able to convert in a batch mode between a lot of audio formats. Additionally the Transcoder uses plugins to add more functions for transforming and playing audio files.
modular video jockey software. The base visuals can be chosen from sources like video files or cameras. Then they can be modified by filters and mixers.
The worlds first OpenSource Realtime Editing and Effects System. Jahshaka takes advantage of the power of OpenGL and OpenML to give its users exceptional levels of performance. We currently support Linux, OsX, Irix and Windows, and Solaris is on the way!
Northwestern University developed annotation tools for digital audio, video and images. These tools were initially developed to utilize media from digital repositories, such as news, historic, scientific, or artist recordings, and have also been used to annotate student-produced video and audio.student-produced video and audio.
If you are familiar with names like Adobe, Alias, Apple, Avid, Discreet, Eyeon, Media100, Newtek, Pinnacle, Sony and Quantel, you will be surprised to find out that there is an open source video editing and post-production program that is freely available