Magnet Window Manager - Magnet Developers
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
Spectacle App - Move and resize windows with ease.
UX Timeline - See how some of today's best companies have evolved
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).
UXReality - UXReality: One App Instead of Lab