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Felt vs kepler.gl: catalog facts
Felt	kepler.gl
Freemium Free to start, with paid plans for teams and organisations.	Free Free and open source.
Web	Web
Drag-and-drop import of many file formats Automatic geocoding and boundary matching	Handles large datasets with WebGL rendering Runs in the browser with no installation
Cloud only, so data is stored on Felt's servers Proprietary service	Focused on visualization rather than editing or full GIS analysis Performance depends on the browser and GPU
Web application	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
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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