Designers MX - Curated playlists by designers, for designers.
Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
Friend Mix - Create group playlists for you and your friends
JJazzLab - Fed up with boring backing tracks ? Try JJazzLab!
Tabit - TabIt is a full-featured program for creating, playing, and printing guitar, bass, or banjo...
Guitar Pro 7 - Create, play and share your tabs