I use a little MacOS app called rcmd for app switching (no dock, no Cmd-Tabbing, no “interface” - it’s great for screencasting videos!).

But it’s kinda expensive for what it does (I’m sure it was cheaper when I bought it!)

But someone I know has now made a free tool that’s similar.

Check both out if you’re a MacOS keyboard ninja:

https://apps.apple.com/gb/app/rcmd-app-switcher/id1596283165?mt=12

https://apps.apple.com/gb/app/flicker/id6468769555?mt=12

‎rcmd • App Switcher

‎Re-imagined Command-Tab. Switch apps instantly just by their first letter! • Hold down the right side |⌘ command| and press the first letter of the app name to focus apps instantly • The Dynamic algorithm will choose the most useful app for each letter * The algorithm will adapt i…

Mac App Store
@ross There is also Witch from #ManyTricks at https://manytricks.com/witch for $14USD You can your own shortcuts to apps.
Witch

App/window/tab switching utility; switches directly between open windows. Perfect for Windows switchers to Mac. Fully customizable.

Many Tricks