Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
VArranger - vArranger is a PC arranger software, playing Yamaha, Roland and Ketron styles in realtime !
Guitartapp Chord Pro - Guitartapp Chord Pro is the world’s largest and popular music and audio app that allows you to throw away your songbooks and start jamming with this app.
nimbu - nimbu is the arranger, to play characteristic accompaniments. Accompaniments that allow the title to sound and to be recognized without melody. This arranger performs the way music works. In realtime.
SongBook - SongBook is a music app that helps you to manage your song collections complete with lyrics and chords.
JJazzLab - Fed up with boring backing tracks ? Try JJazzLab!