FerretDB vs RavenDB

FerretDB vs RavenDB
Fact	FerretDB	RavenDB
Language	Go	C#
Licence	Apache-2.0	Other
Stars	11k	4k
Latest	v2.7.0	7.2.7
Last push	2026-06-05	2026-11-11
Release cadence	about 30 days between releases	about 1 day between releases
Active contributors	0 commit authors on the default branch in the last 90 days	22+ commit authors on the default branch in the last 90 days
Flags	none	none

How they relate

Both replace MongoDB. Alternatives to MongoDB →
Drop-inFerretDBSpeaks the MongoDB wire protocol on top of PostgreSQL.
PartialRavenDBACID document database with its own query language; not wire compatible.

v2.7.02025-11-10(We skipped v2.6.0 to align DocumentDB and FerretDB version numbers.)
v2.5.02025-08-12This version works best with DocumentDB v0.106.0-ferretdb-2.5.0.
v2.4.02025-07-16This version works best with DocumentDB v0.105.0-ferretdb-2.4.0.
v2.3.12025-06-12Hotfix release to restore compatibility with various tools such as mongoimport and mongorestore.
v2.3.02025-06-11This version works best with DocumentDB v0.104.0-ferretdb-2.3.0.

7.2.72026-10-20[AI] Fixed the AI connection string test reporting transient provider errors as 'model does not support function tools'
6.2.202026-10-20[Backup] Fixed Azure uploads (backups and OLAP ETL) failing when the SAS token had no permission to read container prop…
7.2.62026-09-01[AI Agents] Added support for overriding the output schema at the conversation level
7.1.122026-09-01[Audit Log] Fixed certificate audit log entries to be worded as create vs update and to omit an empty permissions clause
6.2.192026-09-01[Audit Log] Fixed certificate audit log entries to be worded as create vs update and to omit an empty permissions clause

✓ signed The latest release, v2.7.0, carries a signature GitHub verified.

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unsigned The latest release, 7.2.7, carries no signature GitHub could verify.

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