Czkawka - Multi functional app to find duplicates, empty folders, similar images etc.
SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
SANeForce - SAN Pharma Sales Force Automation
AllDup - AllDup is a freeware tool for searching and removing file duplicates on your Windows computer.
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.