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StackBlitzTheia IDE
Freemium

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

 Free

Free and open source.

Web Windows, macOS, Linux, Web
  • Runs Node.js in the browser with no local setup
  • Environments boot in milliseconds
  • Runs VS Code extensions from Open VSX
  • Available on desktop and online
  • Focused on JavaScript and web projects
  • Depends on a modern browser with WebAssembly support
  • Uses Open VSX rather than the Microsoft extension marketplace
  • Smaller user community than VS Code
Web application Downloadable app, Web application
Closed source Open source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 24, 2026

Checked September 23, 2026

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