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CodePen vs LiveCodes: catalog facts
CodePen	LiveCodes
Freemium Free to use, with paid plans for additional features.	Free Free and open source under the MIT licence, with no usage limits.
Web	Web, Self-hosted
Live preview of HTML, CSS and JavaScript as you type Nothing to install	Runs entirely client-side with no server or database needed Over 90 languages and frameworks
Needs an internet connection Suited to small demos rather than full projects	Sharing short URLs and broadcast rely on external services GitHub integration features need a GitHub account
Web application	Web application, Self-hosted
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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