Yousician - Learn to play music at home, at your own pace
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
Chordify - Chordify turns any music or song (YouTube, Deezer, SoundCloud, MP3) into chords.
SmartGit - SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS...
White Tiles 4 - White Tiles 4 is a music game that allows you to enjoy your leisure time by transforming your device into a floating piano.
SourceTree - Mac and Windows client for Mercurial and Git.