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Apache Zeppelin vs CoCalc: catalog facts
Apache Zeppelin	CoCalc
Free Free and open source from the Apache Software Foundation.	Freemium Hosted plans and licences are offered; see the pricing page for current terms.
Web, Self-hosted	Web, Self-hosted
Supports SQL, Scala, Python, R and Spark in one notebook Connects to any JDBC data source	Notebooks, terminals, files and documents in one shared project Live collaborative editing with version history and recovery
Needs to be installed and run as a server Setup for clusters and multiple users takes some configuration	Main use is through a hosted service that needs an account Claude Code support is an experimental preview
Self-hosted	Web application, Self-hosted, Hosted service
Open source	Closed source
License: Apache-2.0	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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