SwitchResX - SwitchResX is a tool designed to manage resolutions of all your monitors and HDTVs.
BLOCS - Visual web design app.
EasyRes - EasyRes is a fast screen resolution switcher for Mac OS X with live animated previews.
Form 2 - The most advanced desktop 3d printer ever created
Resolutionator - Resolutionator makes it simple to use any of your display's available resolutions.
Shifty - More control over macOS Night Shift