htop - htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses. Latest release: htop 2.
dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
Windows Task Manager - Need assistance with your Microsoft product? Find helpful articles for Windows, Office, Microsoft Account, Microsoft Store, Xbox, and more.
AllDup - AllDup is a freeware tool for searching and removing file duplicates on your Windows computer.
glances system monitoring - Glances is a cross-platform system monitoring tool written in Python. Written in Python, Glances will run on almost any plaftorm : GNU/Linux, FreeBSD, OS X and Windows.
Czkawka - Multi functional app to find duplicates, empty folders, similar images etc.