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Couchbase Server vs MongoDB: catalog facts
Couchbase Server	MongoDB
Freemium A community edition is available; enterprise and hosted options are sold by Couchbase.	Freemium Community Server is free to download; the managed Atlas service is paid.
macOS, Self-hosted	Windows, Self-hosted
JSON documents queried with SQL++ In-memory architecture with built-in search and vector services	Flexible document model without a fixed schema Aggregation, transactions, text, vector and geospatial queries
Aimed mainly at business deployments More complex to operate than a single-node database	Server Side Public License is source-available, not open source Homepage and newer features focus on the paid Atlas service
Self-hosted	Downloadable app, Self-hosted, Hosted service
Closed source	Closed source
License not stated	License: SSPL-1.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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