Web conferencing tools
commercial and free tools
Lists of tools
Delicious.com - Discover Yourself!
Keep, share, and discover the best of the Web using Delicious, the world&#39;s leading social bookmarking service.
10 Free Web Conferencing Tools | Open Source Technology Blog
8 Free web conferencing tools that are equally packed with features like WebEx
Free Web Conferencing Software, Free Online Meetings, Free Webinar Service Providers
Free Web Conferencing &amp; Webinar Service. No time limits or restrictions. Up to 200 attendees per meeting, screen sharing, conference calling and more - all completely free!
BigBlueButton -- Open Source Web Conferencing | www.bigbluebutton.org
Webinar | GoToWebinar
Set up a webinar quickly and easily for up to 1,000 attendees.
Blackboard Collaborate | Online Collaboration Software for Engaging, Collaborative Learning
Blackboard Collaborate software solutions offer a social, interactive learning experience with virtual classrooms, online conferencing, instant messaging and more collaboration tools.