the only two apps i use but have not yet seen mentioned:

1. florisboard (keyboard)
2. simple time tracker (time tracking tool, duh)

dishonorable mention:

1. revanced manager (youtube, but useable?)

we don’t need another mail app. they should’ve just supported FairEmail. it’s great and works flawlessly. developed by one guy who does not get enough in return. if you can, support him by buying the premium version and yourself by switching to the best android mail client. https://email.faircode.eu/