Equalizer APO - A system-wide equalizer for Windows 7 / 8 / 8.1 / 10 with channel remapping/copying capabilities
AudioBus - With Audiobus, the revolutionary new inter-app audio routing system, you can connect your...
FxSound - Clearer Sound for Your PC. The new FxSound boosts your sound quality, volume, clarity and bass.
Loopback by RogueAmoeba - Get all the power of a high-end studio mixing board, right inside your Mac!
Boom 3D - Audio enhancer with 3D surround sound
LiveTrax - LiveTrax is an app by MasterMedia Productions through which musicians can control the playback of their favorite track during live performances by using simple controls.