Many moons ago I requested the ability to resize windows to the left, center, and right third of the window — and it's still one of the great features of BetterTouchTool today!
Would it be possible to add resizing to any arbitrary rectangular block in a 3x3 grid?
I would find this particularly helpful with one window taking the right 2/3s of the screen but three separate monitoring-type windows along the top, middle, and bottom of the left 1/3 of the screen.
This would also allow sending a window to the top 1/3 of the screen, etc.
(In AutoHotKey in Windows I could resize windows arbitrarily, but 3x3 would be sufficient).
Thanks for the consideration!