Bespoke is a software modular synthesizer. It contains a bunch of modules, which you can connect together to create sounds.


VCV Rack is described as 'Modular synthesizer inspired by Eurorack systems. It acts a host for virtual modules which perform various audio processes. E.G. oscillators, filters, envelope generators, sequencers and more that can be connected freely in almost limitless combinations' and is a music production app in the audio & music category. There are more than 25 alternatives to VCV Rack for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best VCV Rack alternative is Bespoke Synth, which is both free and Open Source. Other great apps like VCV Rack are AudioTool, Pure Data, SunVox and SuperCollider.
Bespoke is a software modular synthesizer. It contains a bunch of modules, which you can connect together to create sounds.


Make music online with a powerful set of tools ranging from synthesizers and samplers to mixers, delays, reverb and much more. AudioTool is an advanced, collaborative DAW (Digital Audio Workstation) built for the browser.




Pd (aka Pure Data) is a real-time graphical programming environment for audio, video, and graphical processing. It is the third major branch of the family of patcher programming languages known as Max (Max/FTS, ISPW Max, Max/MSP, jMax, etc.



SunVox is a small, fast and powerful modular synthesizer with pattern based sequencer (tracker). It is a tool for those people who like to compose music wherever they are, whenever they wish. On any device.



SuperCollider is a platform for audio synthesis and algorithmic composition, used by musicians, artists, and researchers working with sound. It consists of:
Interactive visual programming environment for music, audio, and media
In use for over twenty years by performers, composers, artists, scientists, teachers, and students, Max is the way to make your computer do things that reflect your individual ideas and dreams.
Max gives yo.


Native Instruments Reaktor is a virtual, modular synthesis platform. REAKTOR also provides a platform for modular synthesis in the form of Blocks – a range of sound generating and sound shaping modules.




Cardinal is a free and open-source virtual modular synthesizer plugin based on VCV Rack but with a focus on being a fully self-contained plugin version. It's available as CLAP, LV2, VST2 and VST3 audio plugin for FreeBSD, Linux, macOS and...



Overtone is an open source audio environment designed to explore new musical ideas from synthesis and sampling to instrument building, live-coding and collaborative jamming. We combine the powerful SuperCollider audio engine, with Clojure, a state of-the-art lisp, to create an...
PraxisLIVE is an open-source, visual programming environment. Experiment with and create projects using a visual patching system coupled with the power of programming in Java, Processing and GLSL.




Voltage Modular is a cross-platform, modular synthesizer for Windows and OSX in AU, VST, VST3, and Pro Tools AAX formats that also runs standalone on both platforms.


I wanted to build a music creation tool that is easy to use, accessible and free. Zupiter is a synthesizer and step-sequencer that runs in a browser, meaning you don't even need to download and install any software to use it.
