Tonelib JAM - Create, edit, print and listen to tablature and guitar sheet music
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
Aria Maestosa - Aria Maestosa is an open-source (GPL) midi tracker/editor.
Tower - Build Better Software. Over 100,000 developers and designers are more productive with Tower - the most powerful Git client for Mac and Windows.
Chordsheet Maker - Create chord sheets or lead sheets quick and easily from your iPad. Add rhythms, endings, segno, codas and all what's necessary for your musicians to know what's your music about. Transcription made easy!
gUmi - Manage infinite Git profiles in one click