It might not have as many features as the posted tool, but I've always really enjoyed visualizing the finite state diagrams produced by https://www.debuggex.com/
FYI for iOS users; instead of toggling this through the accessibility tap you can also set up a Shortcut that toggles the white point, or even just toggle it directly from Spotlight on the home screen by searching "white point" and tapping the switch
I've long looked for a good mouse utility for Mac that can disable mouse acceleration, modify scroll wheel behavior, etc. This one even saves preferences per-device which I find very useful.