Equalizer APO - A system-wide equalizer for Windows 7 / 8 / 8.1 / 10 with channel remapping/copying capabilities
keezy - A colorful soundboard. Play with music.
FxSound - Clearer Sound for Your PC. The new FxSound boosts your sound quality, volume, clarity and bass.
SoundGrail - SoundGrail Music App designed for pianists, guitarists, and DJs.
Boom 2 - Boom is a simple volume booster that lets you boost the volume of your Mac and your music files.
Aftertouch - Aftertouch – 3D MIDI Controller created and published by Kevin Nelson.