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.

🎛 🔊 A Python library for audio.

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

Synthesizer plug-in (previously released as Vember Audio Surge)

A curated list of my favourite music DSP and audio programming resources

Rust VST3 and CLAP plugin framework and plugins - because everything is better when you do it yourself

C++ Audio Plug-in Framework for desktop, mobile, xr and web

VST 3 Plug-In SDK

Your Hardcore Loop Machine.

Physical modelling signal processing for analog tape recording

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

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

A user interface toolkit mainly for audio plug-ins

Various resources related to developing plugins for audio production.

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

Enhanced version of Cockos' iPlug - A simple-to-use C++ framework for developing cross platform audio plugins and targeting multiple plugin APIs with the same code. VST / VST3 / Audiounit / RTAS / AAX (Native) formats supported. NOTE: THIS IS OBSOLETE, PLEASE SEE IPLUG2:

dynamic equalizer plugin

DSP servers using general purpose computers and networks

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

A physically modeled synth