Clone Hero - Clone Hero is a free rhythm game, which can be played with any 5 or 6 button guitar controller...
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
Osu - Osu is Music, Rhythm, Single and Multiplayer video game developed by Dean Herbert.
Ableton Live - Ableton makes Push and Live, hardware and software for music production, creation and performance. Ableton´s products are made to inspire creative music-making.
Frets on Fire - Bonus content.
Reaper - Reaper is a focused digital audio workstation (DAW) developed by Cockos. In the creation of the software, the digital audio technology company intended to make audio editing accessible to the masses.