Ultimate Windows Tweaker - Ultimate Windows Tweaker is a freeware Tweak UI Utility for tweaking and optimizing Windows.
Equalizer APO - A system-wide equalizer for Windows 7 / 8 / 8.1 / 10 with channel remapping/copying capabilities
Winaero Tweaker - Universal tweaker software which supports Windows 7, Windows 8, and Windows 8.1.
FxSound - Clearer Sound for Your PC. The new FxSound boosts your sound quality, volume, clarity and bass.
TweakVista - Microsoft has increased both the power and complexity of its popular Windows operating system with...
Boom 2 - Boom is a simple volume booster that lets you boost the volume of your Mac and your music files.