The 8.0 version of ButtonBass Piano is provided as a free download on our website. The program lies within Multimedia Tools, more precisely Music Production. This free program is an intellectual property of ButtonBass.
From the developer:
ButtonBass Piano allows you to play the piano with either your mouse or your computers keyboard.
You may want to check out more software, such as ButtonBass Dubstep Piano, ButtonBass Distorted Guitar or 4Front Piano Module VSTi, which might be similar to ButtonBass Piano.