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Couchbase Server vs RethinkDB: catalog facts
Couchbase Server	RethinkDB
Freemium A community edition is available; enterprise and hosted options are sold by Couchbase.	Free Free and open source under the Apache 2.0 licence.
macOS, Self-hosted	Windows, macOS, Linux, Self-hosted
JSON documents queried with SQL++ In-memory architecture with built-in search and vector services	Changefeeds push live query updates to apps Built-in sharding and replication
Aimed mainly at business deployments More complex to operate than a single-node database	Releases are infrequent ReQL query language takes time to learn
Self-hosted	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No 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.