info utilities

System info tools.

system management utilities

System management tools.

notification daemons

Sometimes they even work!

terminals

Or rather terminal emulators.

window managers

The primary interface with a graphical computer.

display managers

Login screen. Starts your graphical session.

file managers

For when cd and mv don't cut it.

boot loaders

Started by your BIOS or UEFI and launches the kernel.