[rcarmo]

On the other hand, no window manager I know of (on Mac) lets you switch to the adjacent windows using just the keyboard.

[fiddlerwoaroof]

Yeah, this is sort of annoying, but I’ve switched to using “hyper” (caps lock mapped with karabiner to command-option-control) plus a homerow key to activate the frontmost window of key apps. So, Hyper-L activates the most recent terminal, Hyper-j emacs, etc. l