openFrameworks is a community-developed cross platform toolkit for creative coding in C++.

JUCE is an open-source cross-platform C++ application framework for desktop and mobile applications, including VST, VST3, AU, AUv3, LV2 and AAX audio plug-ins.

OpenToonz - An open-source full-featured 2D animation creation software

Open-source video compositing software. Node-graph based. Similar in functionalities to Adobe After Effects and Nuke by The Foundry.

Software modular synth

🍊 Clementine Music Player

DX7 FM multi plaform/multi format plugin

Functional programming language for signal processing and sound synthesis

Virtual modular synthesizer plugin

Dungeon Crawl: Stone Soup official repository

Real-time 3D visualization of space.

This is the Official source code repository of Synfig Studio animation software

A Fasttracker II compatible music editor

Your Hardcore Loop Machine.

The SOUL programming language and API

Free/Libre Action Roleplaying Engine (engine only)

This contains all the Airwindows audio open source code

JackTrip: multi-machine audio network performance over the Internet.

An audio plugin with Pure Data embedded that allows to load and to control patches

Multi-platform GUI application to effortlessly visualize MIDI activity

A JUCE audio plugin template. JUCE 8, Catch2, Pluginval, macOS notarization, Azure Trusted Signing, Github Actions

Framework for developing audio plugins with the Csound programming language.

lua game toolkit

A collection of hardware and software projects based around the Electro-Smith Daisy Seed

4 Voice Granular Synth

Sixteen faders, a Teensy, MIDI over USB and jack, CV out, and I2C out. Phew.

MOD Audio for the desktop

VSTi 8-bit Sampler inspired by the sound of the famous Commodore Amiga for Windows/MacOS/Linux using VST3/AU/LV2

Fast-Fourier-Transform (FFT) based VST plug-in

An open source compressor meant to pump and breathe