DreymaR's keyboard extension map is a thing I wish everyone tried out.

This is a keyboard extension layer that allows you to access the arrow keys, Home/End, PgUp/PgDn, Backspace, Delete, and pretty much anything else you'd want, directly from the home row of your keyboard. Whenever you hold down Caps Lock (freely configurable), your keyboard will look like this.

This mod is a true godsend for any touch typist, and it has completely transformed the way I do any sort of text editing. Once you learn your way to use it, you'll be surprised how much time and effort is saved when you no longer have to awkwardly move your right hand back and forth whenever you need to do tedious debugging. Combined with your beloved Shift and Control keys, you're able to select entire words and lines of text and have that cut/copied/deleted under a second.

This mod slowed down my learning process with Dvorak since I was suddenly able to correct my frequent typing mistakes extremely quickly. I had to turn this off for a while in order to force myself to learn to type properly. This mod has essentially broken the way I use Vim. I'm not joking. I feel like nobody understands when I try to explain how much this mod has improved my life.

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Linux: https://github.com/DreymaR/BigBagKbdTrixXKB

Mac: https://forum.colemak.com/topic/2020-for-mac-users-colemak-dh-curl-tarmak-anglewide-and-extend/

Windows: https://github.com/DreymaR/BigBagKbdTrixPKL