macOS WM Directory
I never really think of macOS as an OS that has swappable window managers -- and I think that's correct for the most part -- but there are some neat ways of better managing windows. Here's a handy list to explore.
Public
Time Lines
Simple Apple/iOS-oriented app that visually shows you "when" your contacts are. Handy at-a-glance view of how available people (and I guess resources) are across timezones.
Wins
Generally I'm a fan of and use Magnet; but this looks cool and is worth remembering if I ever want to try something else out.
SketchyBar
FOSS alternative to something like BarTender (even more useful now that BarTender seems to have gone a wee bit rogue).