ConferenceXP
http://cct.cs.washington.eduConferenceXP is a shared-source platform for simple, flexible, and extensible conferencing and collaboration. ConferenceXP helps researchers and educators develop innovative applications and solutions that feature broadcast-quality audio and video in support of real-time distributed collaboration and distance learning environments. ConferenceXP was initially developed by Microsoft Research. The UW Center for Collaborative Technologies is currently continuing development and deployment support for the platform.