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.
Created first and foremost as a way to have Rack as a conventional open-source audio plugin.
Cardinal does not load any external modules, everything is built-in.
Supporting real CV ports to and from the plugin, for integration with other modular systems.
Supporting more than just the basic 3 desktop operating systems.
1079 included modules
A total of 1079 modules from 73 different authors/brands.
3 Plugin variants
A "main" variant plus Synth and FX.
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).