Tincan - Share short sound blurbs with your friends and followers.
Zoho Meeting - Free video conferencing, online meeting, desktop sharing solution from Zoho.
Yelling Across Cubicles - Walkie-talkie for your Mac Menu Bar
FileFlex - FileFlex: Access Share Stream developed and published by Qnext.
Houseparty - Brining empathy to online communication.
Airtime - Hang out with group video, share music & videos