A fully free and self-contained modular synthesizer
based on the popular VCV Rack
Available in AudioUnit/CLAP/LV2/VST2/VST3 plugin formats and as a standalone app for FreeBSD, Linux, macOS, Windows and the Web.
Open-Source
Created first and foremost as a way to have Rack as a conventional open-source audio plugin.
Self-contained
Cardinal does not load any external modules, everything is built-in.
LV2 support
Supporting real CV ports to and from the plugin, for integration with other modular systems.
Multi-platform
Supporting more than just the basic 3 desktop operating systems.
1219 included modules
A total of 1219 modules from 79 different authors/brands.
3 Plugin variants
A “main” variant plus Synth and FX.
Get involved
Development happens on GitHub and we chat on the #cardinal IRC room in irc.libera.chat server.
Come join us in your favorite IRC client or through your web browser (no post history).