PulseEffects - Limiter, compressor, reverberation, stereo equalizer and auto volume effects for Pulseaudio...
Dolby Home Theater - Dolby Home Theater v4 delivers a surround sound experience through a PCs built-in speakers, any pair of headphones, or a connected home theater system.
JamesDSP for Linux - An audio effect processor for PipeWire and PulseAudio clients.
Hesuvi - Hesuvi imitates the binaural sound effect of many surround virtualizations by making use of...
Equalizer Pie - Equalizer Pie is a free audio manipulation application for OS X.
Equalizer APO - A system-wide equalizer for Windows 7 / 8 / 8.1 / 10 with channel remapping/copying capabilities