[vort3]

Call me old, but Total Commander.

So much functionality and extensibility in a pretty small software, it almost didn't change in years, and still does its job very efficiently, and my favourite part is that you can literally do every possible action with just a keyboard.

I love software that doesn't require a mouse. Terminal emulators and shells are obviously things I love using (hello vim users), but Total Commander is probably the only GUI software I respect because I could do just fine if my mouse got broken.

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Also, Keypirinha + Everything search. Both of those individually are great and do their job well, but the fact that you can combine them makes them even better. Oh, and Total Commander also can use Everything search.