Zoho Meeting - Free video conferencing, online meeting, desktop sharing solution from Zoho.
GitHub Visualizer - Enter user/repo and see the project visually
FileFlex - FileFlex: Access Share Stream developed and published by Qnext.
Gource - Gource is a software version control visualization tool.
Airtime - Hang out with group video, share music & videos
CodeFlower - CodeFlower visualizes source code repositories using an interactive tree.