MacDown - MacDown is an open source Markdown editor for OS X, released under the MIT License.

Akinator - Akinator is an entertainment app that acts like a digital genie that can read your mind. The game will ask you a few questions about the character you have chosen, and it will attempt to guess the character from your provided answers.

Frost - An open API for Blockchain timestamping

QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.

iA Writer - Minimal Design, Maximum Focus

Buzz! Quiz World - Buzz! Quiz World is a 9th entry in the series of Buzz! The game combines the elements of Party and Q&A, and it supports both Single-player and Multiplayer (two to eight-player) modes developed by Relentless Software and published by Sony Computer En…