K12 Open Technologies

dimdim is a browser-based web 2.0 service that allows
anybody to share their desktop, show slides, as well as talk, listen,
chat, and broadcast via webcam. dimdim´s hosted service is available
for free and can be easily used for small gatherings, to seminars with
hundreds of attendees. With absolutely no software to download for
attendees, dimdim gives everyone the opportunity to hold Web meetings
and to customize and brand these meetings.

Using WebHuddle, you have options -- and flexibility. Meetings can be
conducted either in conjunction with an enterprise’s existing
teleconferencing service, or utilizing WebHuddle’s optional voice over
IP. WebHuddle also offers recording capabilities -- presentations can
easily be recorded for playback over any web browser for those who
missed the live meeting.

Google code project that features:

• Video/Audio
• See Desktop of any participant
• Multi-Language and Customizable
• Whiteboard with drawing, write & edit, dragNDrop, Resizeing, Images (DragNDrop from Library), Symbol(s)
• Conference while drawing (4x4 or 1xn modus)
• Safe Drawings / whiteboard and load it next time, edit and resave
• Import Documents
• Send invitation and direct Links into a meeting
• Moderating System