Julian Raufelder<p>Okay, it's not that old yet, but <a href="https://github.com/kmonad/kmonad" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">github.com/kmonad/kmonad</span><span class="invisible"></span></a> is the best tool I've come across this year.</p><p>With <a href="https://mastodon.vhome.info/tags/KMonad" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>KMonad</span></a> you can map any key on your keyboard to any other key, key sequence or even command. It's also super easy to define and use multiple keyboard layouts, and you can jump back and forth between them.</p><p>An extremely useful tool 😍</p>