Compare software

StackBlitzRunJS
Freemium

Free to start in the browser, with paid plans for teams.

 Free

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

Web Windows, macOS, Linux
  • Runs Node.js in the browser with no local setup
  • Environments boot in milliseconds
  • Live evaluation as you type, no project setup
  • Node.js and browser environments in one app
  • Focused on JavaScript and web projects
  • Depends on a modern browser with WebAssembly support
  • JavaScript and TypeScript-style scratch work only, not a full editor
  • Source code is not published
Web application Downloadable app
Closed source Closed source
License not stated License not stated
Not stated if an account is needed No account needed
Works offline Not stated if it works offline

Checked September 24, 2026

Checked October 1, 2026

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