How to use windows 10 / 11 with the keyboard only. This is a mix of tools that I found to achieve this goal and tools I created myself.
Use tab/CapsLock to open a window switcher and switch between windows with the keyboard.
https://github.com/BenjaminKobjolke/FastKeyboardWindowSwitcher
Take screenshots by using the keyboard only. No need to drag a rectangle with the mouse.
https://github.com/BenjaminKobjolke/KeyboardScreenshot
Drag the bars that seperate parts of windows around with the keyboard.
https://github.com/BenjaminKobjolke/FastKeyboardSplitterBarHandler
Use the keyboard to move the mouse cursor.
https://neatdecisions.com/products/neatmouse/
Navigate the web with the keyboard only.
https://addons.mozilla.org/en-US/firefox/addon/vimium-ff/
https://chrome.google.com/webstore/detail/vimium/dbepggeogbaibhgnhhndojpepiihcmeb
Use ctrl+i to show / hide the taskbar
https://github.com/BenjaminKobjolke/Mouseless-Windows.git
How to zoom in and out in programs that only support ctr+mousewheel instead of ctrl+ / ctrl-
How to copy message subject? Didn't find a solution yet.
Probably need to create a new addon based on: https://github.com/garoose/copy-message-id