GitHub Visualizer - Enter user/repo and see the project visually
Sketch Palettes - Sketch plugin to save and load colors into the color picker
Gource - Gource is a software version control visualization tool.
Colorion - Curated color palettes with search and tags support
Learn X in Y minutes - LearnXinYminutes isn’t a good way to learn your first programming language, but it’s a great way to...
Palettte App - Create, analyze and edit smooth color palettes