Boom 3D - Audio enhancer with 3D surround sound
Krisp - Mute the background noise during your calls
Equalizer APO - A system-wide equalizer for Windows 7 / 8 / 8.1 / 10 with channel remapping/copying capabilities
Defonic - Create a unique sound environment at home or in the office
FxSound - Clearer Sound for Your PC. The new FxSound boosts your sound quality, volume, clarity and bass.
GitHub Audio - Tracks events across GitHub to generate calming work music