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VCV Rack vs Pure Data: catalog facts
VCV Rack	Pure Data
Freemium Rack 2 is free; VCV+ and some modules are paid.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Large library of free and paid modules Runs on Windows, macOS and Linux	Visual patching with no text code needed Real-time audio processing for performance and installations
Some modules and features require payment Modular patching has a learning curve	Patching has a steep learning curve The official site uses a bot-protection challenge that some browser plugins break
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.