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LiveCodesRunJS
Free

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

 Free

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

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

Checked October 2, 2026

Checked October 1, 2026

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