dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
PowerShell Plus - Learn how to learn and master PowerShell fast with an interactive learning center, a powerful IDE, pre-loaded scripts, and a PowerShell Editor… all for free.
Duplicate Cleaner - Duplicate Cleaner: the fastest and most popular tool for finding duplicate files. Over 1 million downloads: Get your copy now! Free and Pro versions available.
GNU Bourne Again SHell - Bash is the shell, or command language interpreter, that will appear in the GNU operating system.
Czkawka - Multi functional app to find duplicates, empty folders, similar images etc.
PowerGui - A graphical user interface and script editor for Microsoft Windows https://alternativeto.