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Playhouse vs JSFiddle: catalog facts
Playhouse	JSFiddle
Free Free and open source under the GPL-3.0 licence.	Freemium Free with ads; a PRO subscription removes ads and adds private fiddles and collections.
Linux	Web
Local alternative to online web playgrounds Simple setup through Flathub	Nothing to install; runs in the browser Shareable links for snippets and demos
Linux only Small project with a short commit history	Ads in the editor on the free plan Private fiddles and the console require PRO
Downloadable app	Web application
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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