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Pure Data vs plugdata: catalog facts
Pure Data	plugdata
Free Free and open source.	Free Free and open source under the GPL-3.0 licence.
Windows, macOS, Linux	Windows, macOS, Linux, iOS
Visual patching with no text code needed Real-time audio processing for performance and installations	Runs standalone or as a VST3, AU, CLAP or LV2 plugin Bundles ELSE, Cyclone and Gem libraries
Patching has a steep learning curve The official site uses a bot-protection challenge that some browser plugins break	Visual patching has a learning curve for newcomers to Pure Data Some Pure Data externals may need checking for compatibility
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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