Tape It - App for songwriting & audio recording.
Variety Wallpaper Changer - Variety is a wallpaper changer for Ubuntu which is featureful, yet slim and very easy to use.
Songcraft.io - A platform for songwriters to write, organize & collaborate.
Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android
RiffShare - Write down a musical riff, send to band members, collaborate
Wallcat - Enjoy a new, beautiful wallpaper, every day.