Pidgin - Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.

Zoho Meeting - Free video conferencing, online meeting, desktop sharing solution from Zoho.

Trillian - Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.

FileFlex - FileFlex: Access Share Stream developed and published by Qnext.

Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

Airtime - Hang out with group video, share music & videos