Simple Grid - Responsive & lightweight CSS grid for your website.
SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
FLEX - An in-app debugging and exploration tool for iOS.
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.
Flexbox Grid - Grid based on CSS3 flexbox
VC Starter Kit - Everything you need to look like a Venture Capitalist