4talk Messenger - 4talk is a free cloud messaging service for mobile devices and desktop computers
SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
aMSN - aMSN is a free open source MSN Messenger clone.
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.
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.
VC Starter Kit - Everything you need to look like a Venture Capitalist