🎚️ Open Source Audio Matching and Mastering

automatic mastering plugin for live streaming, podcasts and internet radio.

A lookahead compressor/limiter that's soft as a lamb.

🎚️ Simple Matchering 2.0 Command Line Application

Ownaudio is a cross-platform C# audio library that works across platforms without external dependencies.

My personal collection of presets for ReaPlugs & JS Effects

🎚️ Self-Hosted LANDR / eMastered Alternative

FabFilter Pro-Q 3 — surgical EQ plugin for mixing and mastering with dynamic bands, spectrum analyzer and mid/side processing on Windows.

oXygen is a free and open-source mastering plugin built with C++ and JUCE. The project is focused on a practical mastering workflow: corrective EQ, multiband control, stereo shaping, final loudness, and an automatic Master Assistant that listens to the incoming mix and writes settings into the modules.

Reference music mastering application using Dolby.io Media APIs

api.audio Python SDK

MCP server to control REAPER DAW with AI — 158 tools for mixing, mastering, MIDI composition, and full music production.

AI-powered music production in REAPER via the Model Context Protocol — 163 tools for composition, MIDI, FX, mixing, and mastering.

Bitwave is a high-fidelity, developer-friendly, future-proof audio format designed for modern sound experiences — including spatial audio, dynamic tempo adjustment, and multi-track support.

Free, open-source music production companion — full mastering analysis with LUFS metering, vectorscope, stereo correlation, waveform display, platform normalization preview, reference A/B matching, and more.

AI audio engineering system: MCP server + Claude Code skills for professional automated mixing and mastering

Python DJ engine that renders beat-locked, key-aware transitions between any two tracks. Demucs stem separation, dynamic EQ fade, procedural bridge beats, ITU-R LUFS mastering. FastAPI + Streamlit.

Studio One Professional — single-window DAW with integrated mastering, harmonic editing and drag-and-drop workflow for recording on Windows.

iZotope Ozone Advanced — AI-assisted mastering suite with spectral shaping, tonal balance control and codec preview for professional audio finalization.

5-72 is an ambitious open-source project aimed to involve novice musicians into the craft of sound engineering. Using the buses of world-famous artists as an example, we will show you what real music consists of.