Duplicate Media Finder - Duplicate Media Finder locates and deletes identical files and similar media
AllDup - AllDup is a freeware tool for searching and removing file duplicates on your Windows computer.
MacPaw Gemini 2 - The intelligent duplicate file finder
Inbox by Process Street - Blast through your tasks in record speed
dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
Archetype - Create beautiful web typography designs, in the browser