Bandizip - Bandizip : All-In-One Free Zip Archiver. Bandizip is a lightweight, fast and free All-In-One Zip Archiver.
dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
The Unarchiver - Get the top application for archives on Mac. It's a RAR extractor, it allows you to unzip files, and works with dozens of other formats.
AllDup - AllDup is a freeware tool for searching and removing file duplicates on your Windows computer.
File Roller - File Roller is an archive manager for the GNOME desktop environment.
Czkawka - Multi functional app to find duplicates, empty folders, similar images etc.