VCV Rack Alternatives

Pd (aka Pure Data) is a real-time graphical programming environment for audio, video, and graphical...

Visual programming software to build your own synthesizer.

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A real time audio synthesis engine, and an object-oriented programming language specialised for...

Open Source

Vital is a spectral warping wavetable synthesizer with drag'n'drop modulation workflow and animated preview of the synth's inner workings where needed. Comes with many modulation sources (including audio-rate), MPE support and FX chain.

Native Instruments Reaktor is a virtual, modular synthesis platform.

Eurorack-style modular synthesizer for iOS.

Virtual modular platform designed for flexibility and pro sound

SunVox is a small, fast and powerful modular synthesizer with pattern based sequencer (tracker).

TouchDesigner is a visual development platform that equips you with the tools you need to create stunning realtime projects and rich user experiences.

Sonic Pi is a new kind of instrument for a new generation of musicians. It is simple to learn, powerful enough for live performances and free to download.

Open Source

An expandable VST Instrument based on Eurorack hardware systems.

Open-source subtractive-hybrid synthesizer formerly sold commercially as Vember Audio Surge.

Open Source

Open-source virtual modular synthesizer plugin