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JupyterLab Desktop vs Positron: catalog facts
JupyterLab Desktop	Positron
Free Free and open source, maintained by the JupyterLab project.	Free Free to download and use.
Windows, macOS, Linux, Command line	Windows, macOS, Linux
Runs JupyterLab in its own window without a manual server setup Can install a Python environment for notebooks	Supports both Python and R in one IDE Data Explorer for large datasets
Electron-based, so heavier than using JupyterLab in an existing browser Bundled environments add significant disk use	Source-available under Elastic License 2.0, not open source Focused on data science rather than general development
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License: Elastic-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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