Flickr - image and video hosting website
Magnet Window Manager - Magnet Developers
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Spectacle App - Move and resize windows with ease.
LayAuto - Automated window management for Mac ✨
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).