Free file sharing and net meeting. No download req'd & includes doc & browser share, text editor and whiteboard.
create a game-show experience inside a webinar. Not sure about costs though.
collaborative, real-time meeting tool: Fuze Meeting, Fuze Messenger & Fuze Movie
collaboration software (web cam meet, whiteboard, collab doc view/edits) - in beta & currently supports only up to 4 people at a meeting
Instant screen sharing, web conferencing, remote support, desktop remote control and messaging. No downloads for participants!