FL Studio Mobile - Create & save multi-track music projects on a smartphone
Gonic - music streaming server / free-software subsonic server API implementation - sentriz/gonic
Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
Swing Music - Beautiful and fast music streaming server.
Keezy Drummer - Make a beat in seconds
MusicDB - MusicDB is a music manager, server and player that focus on music.