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PositronJupyterLab Desktop
Free

Free to download and use.

 Free

Free and open source, maintained by the JupyterLab project.

Windows, macOS, Linux Windows, macOS, Linux, Command line
  • Supports both Python and R in one IDE
  • Data Explorer for large datasets
  • Runs JupyterLab in its own window without a manual server setup
  • Can install a Python environment for notebooks
  • Source-available under Elastic License 2.0, not open source
  • Focused on data science rather than general development
  • Electron-based, so heavier than using JupyterLab in an existing browser
  • Bundled environments add significant disk use
Downloadable app Downloadable app
Closed source Open source
License: Elastic-2.0 License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 23, 2026

Checked October 1, 2026

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