Cardinal
Build modular synthesizer patches with Cardinal, an open-source virtual instrument plugin.
About Cardinal
Cardinal is a virtual modular synthesizer plugin for building modular synthesizer patches. It includes 1382 built-in modules from 84 authors and brands and is offered in main, Synth, and FX variants.
It is self-contained and does not load external modules. It supports LV2 with CV ports to and from the plugin for use with other modular systems.
Key features
- Includes 1382 built-in modules from 84 authors and brands
- Self-contained design does not load external modules
- Supports LV2 with CV ports for other modular systems
- Offered in main, Synth, and FX plugin variants
- Runs on more than three desktop operating systems
Best for: People who want to build modular synthesizer patches inside a plugin host.
Good for
- Includes 1382 modules from 84 authors and brands
- Self-contained with everything built-in
- LV2 CV ports for integration with other modular systems
Watch out for
- Does not load external modules; only built-in modules can be used
Cardinal at a glance
- Website
- cardinal.kx.studio
- Category
- Music & Audio › Audio Editing & Production
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Audio Editing & Production
Cardinal alternatives
Tools and sites you could use instead, ranked by how closely they match.
With Element, users can build effect racks and instruments and route audio and MIDI through a modular plugin host for Mac, Windows, and Linux.
Plugins 4 Free catalogs instrument and effect plugins for audio software, with categories for synthesizers, drums, samplers, and MIDI tools.
Bespoke uses connected modules to create sounds in a modular synthesizer designed for musical exploration and jamming.
The Virtual Pantam Playground lets visitors hear the sound of a Yishama Pantam and read about the instrument origins.
VCV Rack is a virtual Eurorack studio with a module library, manual, and support resources; its Rack Pro version offers DAW plugins.
Helm offers a free polyphonic synthesizer for GNU/Linux, Mac, and Windows, as a standalone program or audio plugin.
Popular in Audio Editing & Production
Well-known listings from the same topic.
Basic Pitchbasicpitch.spotify.comWebChuck IDEccrma.stanford.edu/~tzfeng/webchuck-ideVO Padsvo.odgn.netWebSynthswebsynths.comsamplv1samplv1.sourceforge.ioSoundboardGuyssoundboardguys.com
Cardinal FAQ
Does Cardinal work with external modules?
No. Cardinal does not load external modules; everything is built-in.
How many modules are included?
1382 modules from 84 different authors and brands.
What plugin variants are offered?
A main variant plus Synth and FX variants.
Is something wrong or out of date?
Tell us and an editor will check it.
Own this website?
Claim this listing
Claim the listing and suggest updates yourself. An editor checks every claim first.