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.
KORG MS2000R hardware emulator (H8S/2350 + DSP56362): standalone and VST3. Bring your own firmware.
VST3 emulator of the Roland D-110, built on munt's mt32emu engine + JUCE
Infinite is a free, open-source node-based audiovisual workstation by Naman Soni (n1m21n): real-time GPU compositing, 3D, modular synths, VST3/AU hosting.
Noise suppression plugin based on Xiph's RNNoise
🎛 🔊 A Python library for audio.
dynamic equalizer plugin
Yamaha MU2000 のソフトウェア音源。実機の firmware をそのまま走らせる VST3。非公式・ヤマハとは無関係
Faithful 64-bit port of SQ8L 0.91b, Siegfried Kullmann's Ensoniq SQ-80 emulation, for macOS and Windows (VST2/VST3/AU/CLAP)
Linux plugin (VST3/LV2/standalone) that emulates the Hydrasynth Desktop by running its firmware
Vintage Emulator Studio (VES) is an audio plug-in available in AU and VST3 formats where supported. It includes a collection of vintage synthesizers, samplers, drum machines and sound modules emulated by MAME
Digital Audio Workstation with Python; VST instruments/effects, parameter automation, FAUST, JAX, Warp Markers, and JUCE processors
A JUCE plugin for broadband noise reduction
An experimental pattern-first DAW
32-partial additive synthesizer laid out like a 32-channel mixer. Every channel is one sine oscillator locked to a harmonic of the played note, and every channel has its own tuning, envelope and modulation.
Your Hardcore Loop Machine.
Akai S3000XL as an open-source VST3/AU instrument - headless MAME 0.288 + JUCE. GPLv3, no ROMs included.
Six free, open-source bass-music audio plug-ins (VST3/AU, Mac + Windows) by Vivid Fever Dreams, built with JUCE
Enhancement layer for Native Instruments FM8. Supports the standalone, VST2, and VST3.
1:1 TR-8S Rhythm Performer Clone (ACB 808/909/707/727/606/CR-78 + FM + User Sampler, VST3/AU/Standalone)
Element Audio Plugin Host
ASIO対応DAWの音声をOBSやDiscordの画面共有へ送る配信用プラグイン。Windows正式版/macOSプレビュー版