A list of open source audio software projects (Apps, Plugins and Libraries). Please contribute more links or open source your own plugins.
Open-Source Audio Plugins & Apps
================================
A list of open source audio software projects (Apps, Plugins, Libraries and other resouces). The intent of this list is to catalog open-source audio apps, plugins (VSTs etc) or other resources which are either fully featured or are useful examples which have non-trivial features.
https://openaudio.webprofusion.com
Table of Contents
Contributing links
To contribute new links, fill out our issue template and the change will be prepare automatically and reviewed by an editor: https://github.com/webprofusion/OpenAudio/issues
Audio Plugins
-------------
| Plugin | Description | Type | Framework |
| --- | --- | --- | --- |
| [3HSPlug](https://github.com/src3453/3HSPlug) | GM/GS Compatible Multi-timbal 8-operator FM/PCM Syntheizer, uses 3HS88PWN4 (Fantasy sound chip) to make sound. | Effect | JUCE |
| [8ridgelite](https://github.com/JamesStubbsEng/8ridgelite) | 8 string guitar virtual instrument | Instrument | JUCE |
| [ADLplug](https://github.com/jpcima/ADLplug) | FM Chip Synthesizer — OPL & OPN | Instrument | JUCE |
| [ÆLAPSE](https://github.com/smiarx/aelapse) | ÆLAPSE is a delay and reverb plugin. The delay is based on tape-delay mechanisms, while the reverb is inspired by (but not limited to) spring reverbs. | Effect | JUCE |
| [Aeolus](https://github.com/Archie3d/aeolus_plugin) | Pipe organ emulator using additive synthesis as a VST, AU, or CLAP plugin (or a stand-alone executable) | Instrument | JUCE |
| [Airwindows](https://github.com/airwindows/airwindows) | Various small and experimental effect plugins | Instrument | N/A |
| [Ambience](https://github.com/OTODESK4193/Ambience1.0.1) | Ambience is a high-quality, open-source algorithmic reverb VST3 plugin built on a 16-channel Feedback Delay Network (FDN) architecture. | Effect | JUCE |
| [ampli-Fe](https://github.com/antonok-edm/ampli-Fe) | Cross-platform VST2 plugin written in Rust | Misc | Rust VST |
| [amsynth](https://github.com/amsynth/amsynth) | Analog-modelling (virtual analog) synthesizer | Instrument | GTK |
| [AnalogChannel](https://github.com/FilTer87/VST-AnalogChannel) | AnalogChannel is a VST3 channel strip plugin designed for mixing engineers who demand fast and characterful results in their workflow. | Effect | JUCE |
| [ANATOMY](https://github.com/OTODESK4193/ANATOMY) | ANATOMY is a high-performance, open-source VST3 plugin that performs Transient/Tonal audio separation using a cos² crossfade algorithm, routing each component through its own independent multi-effect chain. | Effect | JUCE |
| [andes](https://github.com/artfwo/andes) | Sound synthesiser plugin based on Perlin noise | Instrument | JUCE |
| [Argotlunar](https://github.com/mourednik/argotlunar) | Real-time delay-line granulator | Effect | JUCE |
| [Audible Planets](https://github.com/gregrecco67/AudiblePlanets) | An expressive, quasi-Ptolemaic semi-modular synthesizer | Instrument | JUCE |
| [Audio Effects](https://github.com/juandagilc/Audio-Effects) | Plugins implemented from the explanations in the book “Audio Effects: Theory, Implementation and Application” | Effect | JUCE |
| [Autokit](https://github.com/Hornfisk/autokit) | A sample-based drum machine plugin that scans your library, classifies oneshots by type (kick, snare, hihat, etc.) using spectral analysis, and plots them on an interactive 2D map. Assign samples to pads, sequence with a Digitakt-style step sequencer, and randomize kits with dice. | Instrument | NIH-Plug |
| [Automatic Double Tracking](https://github.com/SpotlightKid/adt) | [Automatic double tracking](https://en.wikipedia.org/wiki/Automatic_double_tracking) (not only) for vocals. | Effect | DPF |
| [Axiom](https://github.com/monadgroup/axiom) | Axiom is an extremely flexible node-based realtime audio synthesizer. It was originally designed for size-constrained environments such as PC intros in the demoscene, but is entirely open source and is becoming an excellent free tool for any musician. | Instrument | N/A |
| [BeatCrafter](https://github.com/innermost47/beatcrafter) | Intelligent MIDI Drum Pattern Generator VST3 - Proof of Concept | Effect | JUCE |
| [Beatrice 2](https://github.com/prj-beatrice/beatrice-vst) | [Beatrice 2](https://prj-beatrice.com/) is free, lightweight, and ultra-low latency real-time voice quality conversion VST3 plugin. | Effect | N/A |
| [Bespoke](https://github.com/awwbees/BespokeSynth) | Node-based modular synth with live coding | Instrument | JUCE |
| [BinAural VST](https://github.com/twoz/binaural-vst) | Mono-to-stereo plugin that positions sound in a 3D space using Head-Related Transfer Functions | Effect | JUCE |
| [BiRR](https://github.com/odoare/BiRR) | BiRR (and her ambisonic sister AmbiRR) are room simulators that accurately emulate the sound produced by two monophonic and omnidirectionnal sources perceived by a listener in a rectangular (2D) or parallelepipedic (3D) room. The dimensions (x,y,z) of the room can be adjusted, as well as the source and listener positions. The generated stereo output can simulate different microphone positions (XY, MS, with different angles), or a binaural receiver. | Effect | JUCE |
| [Biztortion](https://github.com/killbizz/Biztortion) | Modular distortion plugin for VST-based hosts made with C++ and JUCE framework. | Effect | JUCE |
| [BlackBird](https://khrykin.github.io/BlackBird) | Analog-inspired software synth with its own voice | Instrument | JUCE |
| [Blackheart](https://github.com/sachhm/Blackheart) | Audio effect plugin combining analog-style octave fuzz with chaotic digital pitch-shifting and modulation. Designed for heavy, downtuned guitar and experimental sound design. | Effect | JUCE |
| [blocks](https://github.com/dan-german/blocks) | Polyphonic modular synth | Instrument | JUCE |
| [BORIS Granular Station](https://glesdora.github.io/boris-granular-station/) | A live-input granular plugin | Effect | JUCE |
| [Breathalyzer](https://github.com/bgunnison/breathalyzer) | Breathalyzer is a VST3 instrument that turns MIDI notes into playable breath-and-voice gestures. It is not a sample player and not a speech synthesizer. The design goal is a compact expressive instrument whose mouth color, noise, growl, and vowel motion can all be performed from a small control surface. | Instrument | VSTGUI |
| [C1Bitcrusher](https://github.com/datajake1999/C1Bitcrusher) | Experimental and accurate bit reduction | Effect | N/A |
| [Calf Studio Gear](https://github.com/calf-studio-gear/calf) | Many LV2 and Jack audio plug-ins | Effect | GTK |
| [Cardinal](https://github.com/DISTRHO/Cardinal/) | Virtual modular synthesizer plugin | Instrument | DPF |
| [CChorus](https://github.com/SpotlightKid/cchorus) | A versatile stereo chorus, multi-format audio effect plugin | Effect | DPF, Faust |
| [CetoneSynthLight](https://github.com/AnClark/CetoneSynthLight) | CetoneSynthLight is a light-weight polyphonic synthesizer by Neotec Software. It aims to give you a light but professional synthesizer experience. Originally written by [René Jeschke](https://github.com/rjeschke). | Instrument | DPF |
| [Chartchotic](https://github.com/noahbaxter/chartchotic) | Chartchotic is a VST3/AU plugin that visualizes MIDI as rhythm game highways -- Clone Hero, YARG, and Rock Band style. Preview your charts in real time as you write them. | Misc | JUCE |
| [Chorus Ex Machina](https://github.com/peastman/ChorusExMachina) | Physically modelled chorus synthesizer | Instrument | NIH-Plug |
| [CHOW](https://github.com/jatinchowdhury18/CHOW) | Maximally truculent distortion effect | Effect | JUCE |
| [Classic Master Limiter RE-01](https://github.com/AnClark/ClassicMasterLimiter-RE01) | Classic Master Limiter RE-01 is a reverse-engineered recreation of Kjaerhus Audio's Classic Master Limiter, a 32-bit Delphi VST2 mastering limiter from the early 2000s. | Effect | DPF |
| [Classic Reverb RE-02](https://github.com/AnClark/ClassicReverb-RE02) | Classic Reverb RE-02 is a reversed engineering of Kjaerhus Classic Reverb, a studio-quality free reverb plugin. It is a variant of [Classic Reverb RE-04](https://github.com/AnClark/ClassicReverb-RE04). They have the same controls, but RE-02 has a different timbre. | Effect | DPF |
| [Classic Reverb RE-03](https://github.com/AnClark/ClassicReverb-RE03) | Classic Reverb RE-03 is a reversed engineering of Kjaerhus Classic Reverb, a studio-quality free reverb plugin. It is a variant of [Classic Reverb RE-04](https://github.com/AnClark/ClassicReverb-RE04), with a different flavor of sound style and controls | Effect | DPF |
| [Classic Reverb RE-04](https://github.com/AnClark/ClassicReverb-RE04) | Classic Reverb RE-04 is a reversed engineering of Kjaerhus Classic Reverb, a studio-quality free reverb plugin. It sounds professional, with a flavor of vintage reverb, suitable for many applications from vocals to instruments. | Effect | DPF |
| [Cloud Seed](https://github.com/ValdemarOrn/CloudSeed) | Algorithmic reverb for emulating huge, endless spaces and modulated echoes | Effect | N/A |
| [CloudReverb](https://github.com/xunil-cloud/CloudReverb) | This is an audio plugin for algorithmic reverb. The algorithm is borrowed from [CloudSeed VST](https://github.com/ValdemarOrn/CloudSeed/tree/legacy-v1) by Valdemar Erlingsson. | Effect | JUCE |
| [CMBNEX](https://github.com/KaixoCode/CMBNEX) | CMBNEX Is a 4 oscillator VST3 synth with a unique tuneable 2 dimensional waveshaper and 3 combiners that use several algorithms to combine incoming signals. All parameters have 4 slots for internal modulation from several modulation sources like envelopes, LFOs, and macros | Instrument | VSTGUI |
| [Cocoa Delay](https://github.com/tesselode/cocoa-delay) | Warm and lively delay | Effect | WDL-OL |
| [Comp](https://github.com/DawidKwaskiewicz/Comp) | Compressor+expander (downward+upward) VST with curve display created with JUCE | Effect | JUCE |
| [Comprez](https://github.com/AnClark/Comprez) | Comprez is a simple but fast, versatile compressor plug-in. It's ready to give you a special compressor experience you may never have before. Although there are only 4 controllers currently, it does not limit your creation. | Effect | DPF |
| [Convolver](https://github.com/teragonaudio/Convolver) | Impulse-response reverb | Effect | JUCE, VSTGUI |
| [CrushClone](https://github.com/doxiedevops/CrushClone) | A faithful recreation of the legendary CamelCrusher multi-effect plugin | Effect | JUCE |
| [cStop](https://github.com/calgoheen/cStop) | Tape stop | Effect | JUCE |
| [CtrlrX](https://github.com/damiensellier/CtrlrX) | CtrlrX is an enhanced version of Roman Kubiak's CTRLR. CtrlrX can control any MIDI-enabled hardware, synthesizers, drum machines, samplers, effects and more. | Misc | JUCE |
| [Curvessor 2](https://github.com/unevens/Curvessor) | [Curvessor](https://www.unevens.net/curvessor.html) is an audio plug-in that implements a dynamic range processor in which the response curve of each channel is an automatable spline. | Effect | JUCE |
| [DAFx19-Gamelanizer](https://github.com/lukemcraig/DAFx19-Gamelanizer) | Accompanying material for the paper 'A Real-Time Audio Effect Plug-In Inspired by the Processes of Traditional Indonesian Gamelan Music' | Effect | JUCE |
| [Darvaza](https://github.com/igorski/darvaza) | Darvaza is a VST/AU plug-in which provides a gating effect. The gate can use different waveforms and its speed is individually controllable across channels. The gates oscillators are synchronized to the host tempo and time signature. | Effect | VSTGUI |
| [DCOffsett