Cardinal
Cardinal is an open-source music production project written in C++ with 3,151 stars on GitHub.
The authors describe it as: “Virtual modular synthesizer plugin.”
Category
Music production
Type
Open source
Platform
C++ project
Pricing
Free / open source
License
GPL-3.0
GitHub stars
3,151
Last updated
2026-07-28
Top Cardinal alternatives
See the full list of Cardinal alternatives →
Frequently asked
What is Cardinal?
Cardinal is an open-source music production project written in C++ with 3,151 stars on GitHub. The authors describe it as: “Virtual modular synthesizer plugin.”
Is Cardinal free?
Cardinal is open source — free to use; check its license for redistribution terms.
What are the best Cardinal alternatives?
The closest alternatives in the same category include AudioKit, lmms, mixxx, tinyusb, basic-pitch — each has a live profile with facts and its own alternatives list on this hub.