Moom - Move your mouse over the green zoom button in any window, and Moom's mouse control overlay will appear (as seen in the above animation).
LayAuto - Automated window management for Mac ✨
Hammerspoon - This is a tool for powerful automation of OS X.
Magnet Window Manager - Magnet Developers
Spectacle App - Move and resize windows with ease.
Mizage Divvy - Divvy is an entirely new way of managing your workspace.