vst3

nota-daw/nota

+43

Nota — a free DAW for macOS, Windows and Linux. No subscription, no account — just open it and make music.

JUCE

+25

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.

SQ8L

+16

Faithful 64-bit port of SQ8L 0.91b, Siegfried Kullmann's Ensoniq SQ-80 emulation, for macOS and Windows (VST2/VST3/AU/CLAP)

surge

+16

Free and open source hybrid synthesizer as a virtual instrument (previously released by Vember Audio as Surge)

pedalboard

+17

🎛 🔊 A Python library for audio.

yabridge

+18

A modern and transparent way to use Windows VST2, VST3 and CLAP plugins on Linux

ZLEqualizer

+5

dynamic equalizer plugin

DawDreamer

+7

Digital Audio Workstation with Python; VST instruments/effects, parameter automation, FAUST, JAX, Warp Markers, and JUCE processors

awesome-audio-dsp

+5

My curated list of audio DSP and plugin development resources (Github fork)