Ensemble Online - Ensemble Online is a Free to play Action-Adventure, Role-playing, Strategy, Single and Multiplayer video game by SemiFormal Studios.

Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.

Aberoth - Aberoth is an Action-Adventure, MMORPG and Fantasy-based video game by Jarbit.

music21 - Music21 is a Python-based toolkit for computer-aided musicology.

Overture - Overture is a Roguelike, Adventure-based and Role-playing video game by Black Shell Games.

Harmony Assistant - Harmony Assistant is an unbeatable software for computer-assisted music composition and editing.