Bicolor — $3.90
Contrast comparison tool for Mac.
Calculates the contrast ratio between two colors.
Multicolor — $4.90
Color schemes generator for Mac.
Generates five distinct colors and their luminance.
Monochrome — $4.90
Mobile browser for Mac.
Helps you design responsive sites and browse the mobile web comfortably.
Monochrome — $0.99
Fullscreen browser designed for iPhone.
The navigation is completely gesture based. It's powered by WKWebView and supports 3D Touch.
Sublevel — free
Tiny, but mighty social network.
Text-only networking that make sense, it's friendly and easy to update and reply to others.