Tidy Up helps you find duplicate files on your system and keep your hard disks nice and clean. It allows you to search for duplicate files and packages. These can be searched by the owner application, content, type, creator, extension, date modified, date created, name, label, visibility and more.
New to this version is the ability to automatically check for updates, numerous changes of the graphical interface, performance improvements and some bug fixes.
Tidy Up ($30) is a universal binary application and can be downloaded here.