Cockatrice - Cockatrice is an open-source, multiplatform program for playing tabletop card games over a network.
SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
Hearthstone - Pick up your cards and throw down the gauntlet!
SANeForce - SAN Pharma Sales Force Automation
XMage - XMage allows you to play Magic against one or more online players or computer opponents.
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.