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
System-wide macOS audio equaliser with 64-band parametric EQ and real-time meters.
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
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.
Choritsu (調律) — a lossless sample-rate switcher + parametric EQ for Apple Music on macOS. Auto-matches your output device to the track for bit-perfect playback (a LosslessSwitcher alternative for macOS 26), plus a driverless headphone equalizer with AutoEQ import. Menu-bar, Liquid Glass, wabi-sabi.
Modern Windows Equalizer APO GUI with parametric EQ, AutoEQ, Squiglink targets, presets, live preview, portable app, and installer.
System-wide parametric equalizer for macOS 13+ — free, open source, GPLv3
Tune any tab's sound: 11-band parametric EQ + bass boost, per-site rules, live curve. 100% local, no account.
System-wide parametric EQ + audio-effects engine for Linux, macOS & Windows — GUI, TUI & CLI, with FxSound & EqualizerAPO preset support
🎧 Enhance your macOS audio with SoundMax, a free 10-band parametric equalizer that offers real-time sound customization for all apps.
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.
Professional audio EQ profiles for Equalizer APO - 28+ optimized configurations for different occasions and music genres. Designed for indoor subwoofer systems.
🎧 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
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.
Native parametric EQ editor for USB DACs. Offline, transactional, zero-latency.
Rockbox-compatible EQ presets converted from Reddit posts and AutoEq, tested on HiFi Walker H2 running Rockbox
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