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Equalizer APO vs JamesDSP: catalog facts
Equalizer APO	JamesDSP
Free Free and open source under the GPL, distributed through SourceForge.	Free Free and open source under the GPL-3.0.
Windows	Linux
Works at the system level, so every application on a device is equalised Parametric and graphic filters, with no practical limit on bands	System-wide effects for PipeWire and PulseAudio Scripting and API support
Applications using ASIO or WASAPI exclusive mode bypass it entirely The native interface is a text configuration file; sliders need the separate Peace front end	Linux only PulseAudio setup needs separate installation steps
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.