An intuitive alt-tab focus switching script.
sudo apt install python-pip
pip install --user i3ipc==1.7.1 pynput==1.6.8
git clone git@github.com:danieldugas/i3focus.git ~/Code/i3focus
ln -s ~/Code/i3focus/i3focus ~/.i3/i3focus
then, in your i3 config file
bindsym Mod1+Tab exec --no-startup-id ~/.i3/i3focus
press alt
+tab
move focus with i
, j
, l
, ,
toggle focus to/from floating windows with space
release alt
+tab