parametric-eq

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

Compact PipeWire system-wide parametric EQ for Linux desktops

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

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.

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

調律 — bit-perfect Apple Music on macOS. Matches your output device to each track's sample rate, plus a driverless parametric EQ with AutoEQ import. Menu-bar, no kext.

System-wide parametric equalizer for macOS 13+ — free, open source, GPLv3

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

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.

Per-tab 11-band parametric equalizer, bass boost & volume booster for Chrome, Edge & Opera. Works on YouTube, Spotify & any tab. 100% local, open-source (MIT).

System-wide parametric EQ + audio-effects engine for Linux, macOS & Windows — GUI, TUI & CLI, with FxSound & EqualizerAPO preset support

Cross-platform parametric EQ editor for USB DACs. Offline, direct Tauri+React app for desktop and Android.

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

Native macOS menu bar app for the Qudelix 5K DAC — parametric EQ with live response curve, presets, volume, and one-click AutoEq import.

🎧 All-in-one offline tool for reviewing, tuning and comparing IEMs. Rust core, Tauri desktop app, cross-platform builds. Based on IEM Tool by MyLittlePrimordia.

Quality Factor and Bandwidth calculator based on DDCToolbox BwCalculator.cpp

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

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.

Console-style 4-band parametric EQ — an LV2 plugin for Linux with its own hardware-style UI

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.