1. Sakai

... IMS Common Cartridge, SCORM, blog tool, shared whiteboard, shared display, multipoint audio, multipoint audio, pod-casting, IMS Tool Interoperability, and others. Visit Sakai!  ...

2. VMukti

... Widgets for 3rd party websites, Desktops, and PSTN/ Mobile/ IP Phones. The core Platform Features Include: Audio/ Telephony, Multipoint Video, Chat, File Search, Whiteboard, File-sharing, Presentation, ...