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RunJSLiveCodes
Free

Free to download; no signup required according to the site.

 Free

Free and open source under the MIT licence, with no usage limits.

Windows, macOS, Linux Web, Self-hosted
  • Live evaluation as you type, no project setup
  • Node.js and browser environments in one app
  • Runs entirely client-side with no server or database needed
  • Over 90 languages and frameworks
  • JavaScript and TypeScript-style scratch work only, not a full editor
  • Source code is not published
  • Sharing short URLs and broadcast rely on external services
  • GitHub integration features need a GitHub account
Downloadable app Web application, Self-hosted
Closed source Open source
License not stated License: MIT
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked October 2, 2026

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