-
Keyboard: OpenBoard (works great, support anonymous mode, my layout, emojis, paste, move cursor using finger over space button, longer deletes using finger over backspace)
-
Music Player: Odyssey (I don't rely on ID3 tags but directory structure instead - there is too little of those players who use it)
-
Music Player: ViMusic (FOSS interface to Youtube Music)
-
Music Player: RadioDroid (for online radio stations)
Some subset of modern Linux distro - Firefox, Emacs, Git, Tmux, OpenSSH, i3, sway... Android - F-Droid stuff