Game Center - Game Center brings social gaming to OS X and iOS apps.
Materia - Materia is a development environment to build advanced mobile and web applications.
OpenGameArt.org - A site dedicated to sharing artwork & other assets for game development.
Zukitwo - Zukitwo is a Gnome Shell and GTK theme that currently works on Gnome Shell 3.14 and the latest version of GTK.
SurvivalCraft - SurvivalCraft is a mobile action and adventure game that is based on the wildly popular Minecraft platform.
Papirus - Papirus icon theme for Linux. Contribute to PapirusDevelopmentTeam/papirus-icon-theme development by creating an account on GitHub.