Sword of Xolan - Sword of Xolan is a Marvelous, Action, Side-Scroll, Platform, and Single-player video game created and published by Alper Sarikaya.
Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
Megatroid - Megatroid is a gorgeous, Action-Adventure, Puzzle-platform, Side-scroll, Sci-fi, and Single-player video game developed and published by Triolith Entertainment AB.
MuseScore.org - Create, play back and print beautiful sheet music with free and easy to use music notation software MuseScore. For Windows, Mac and Linux.
Granny Smith - Granny Smith is an Addictive, Action, Puzzle-Platform, Side-Scroll, and Single-player video game developed and published by Medicore.
Finale - Finale, the world standard for music notation software, lets you compose, arrange, notate, and print engraver-quality sheet music.