TrashMe is described as 'Uninstalls apps, removes extensions, cleans caches, deletes junk and duplicate files, manages startup items, and supports latest Apple silicon on macOS' and is a software uninstaller in the os & utilities category. There are more than 25 alternatives to TrashMe for a variety of platforms, including Windows, Mac, Android, File Explorer and F-Droid apps. The best TrashMe alternative is Bulk Crap Uninstaller, which is both free and Open Source. Other great apps like TrashMe are Revo Uninstaller, Canta, AppCleaner and Geek Uninstaller.
Works great and is free. Comes highly recommended by most Reddit users when answering the "new Mac user; what are the must-have apps" question.