Show Document can be used for synchronous Web Meetings, App Share, Whiteboard http://www.showdocument.com/ds/main.jsf

"Show Document is a Net Meeting platform for instantaneous and spontaneous online meetings where people can work together on the same document at the same time. All the Net Meeting collaborative services can be used to work together at the same time. The web meeting platform offers the following interactive services"



Free Adobe Connect http://www.adobe.com/acom/connectnow/
"Adobe® ConnectNow, one of the Acrobat.com services, is a great way to share ideas, discuss details, and complete work with others — all online. Reduce travel costs, save time, and increase productivity with a web conferencing solution that's easy to access and simple to use. Built on the Adobe Flash® Platform, ConnectNow operates inside a web browser. There's no installation required, so getting started is easy — and free. Sign up now or learn more about subscription options."