Free 10-band system EQ for macOS - SoundSource alternative with per-device profiles, HDMI volume control & AutoEQ integration

FreeEQ8 is a professional-grade, free and open-source 8-band parametric EQ plugin for macOS, Linux, and Windows. Linear phase, dynamic EQ, match EQ, per-band drive, band linking, M/S processing, oversampling, and a real-time spectrum analyzer. FabFilter Pro-Q alternative for $0–$20

Compact PipeWire system-wide parametric EQ for Linux desktops

System-wide macOS audio equaliser with 64-band parametric EQ and real-time meters.

macOS system-wide parametric EQ with real-time spectrum analyzer. Built in a day because it shouldn't need to exist. Native macOS system-wide parametric EQ — CATap, no virtual audio drivers, no Electron, no paywall.

Modern Windows Equalizer APO GUI with parametric EQ, AutoEQ, Squiglink targets, presets, live preview, portable app, and installer.

🎧 Enhance your macOS audio with SoundMax, a free 10-band parametric equalizer that offers real-time sound customization for all apps.

RoomTune - Automated Room Acoustic Measurement & Auto-EQ Tool with Web UI. Replaces Dirac Live for CamillaDSP setups.

Rockbox-compatible EQ presets converted from Reddit posts and AutoEq, tested on HiFi Walker H2 running Rockbox

Professional audio EQ profiles for Equalizer APO - 28+ optimized configurations for different occasions and music genres. Designed for indoor subwoofer systems.

System-wide parametric equalizer for Windows — real-time WASAPI loopback DSP, per-app profile routing, spectrum analyzer, and headphone cross feed. Built with Tauri v2, Rust, and React.

DSP processing in golang

Modern podcast player for iOS & iPadOS — 9-band parametric EQ, dynamics processing, voice isolation, AI Audio Assist, on-device transcription, and clip export with dynamic captions. Free with Premium. No tracking, no ads, no account.

ESP32-S3 firmware that turns a $20 dev-board into a 2-in / 4-out audio DSP. UAC-class audio + browser-controlled PEQ / crossover / room EQ. Active 2-way speakers, embarrassingly cheap.

PE-40 User Manual

Browser DSP cockpit for DQ-DSP — turns a $20 ESP32-S3 + 2× PCM5102A into a 4-channel parametric crossover. Bi-amp your bookshelves without the SHARC tax.

A desktop app for systemwide Parametric EQ and Graphic EQ on Mac. Made using python and PyQt6. Uses the BlackHole Virtual driver.