Couchbase Server (ns_server) license, foundation and stars

Databases and caches · Business Source License 1.1 (source-available) · backed by Couchbase · 49 stars

The Membase Server Superdupervisor.

License history

Date	Change	Sources
Mar 31, 2021	Apache 2.0 to Business Source License 1.1Couchbase Server 7.0 source moved from Apache 2.0 to BSL 1.1, converting to Apache after four years.LICENSE commit Announcement	LICENSE commit Announcement

Latest release

No GitHub releases published; the project releases elsewhere (tags or its own site).

Project	License	Stars	Per week	Latest release
supabaseSupabaseApache 2.0	Apache 2.0	111k	-	-
RedisRedisRSALv2 or SSPL or AGPL v3	RSALv2 or SSPL or AGPL v3changed May 2025	76.5k	+95	8.10.2Sep 17, 2026
prometheusApache 2.0	Apache 2.0	66.2k	-	-
NocoDBNocoDBn8n Sustainable Use License 1.0	n8n Sustainable Use License 1.0changed Jan 2026	65.1k	-	-
ClickHouseClickHouseApache 2.0	Apache 2.0	50.1k	+149	v26.9.2.8-stableSep 22, 2026
tidbApache 2.0	Apache 2.0	40.6k	-	-
leveldbGoogleBSD 3-Clause	BSD 3-Clause	39.4k	-	-
SurrealDBSurrealDBBUSL 1.1	BUSL 1.1changed Dec 2021	33.1k	-	-

About and history

Repository: couchbase/ns_server · created Jan 14, 2012
Website: developer.couchbase.com
Language: Erlang
Foundation: None; run by Couchbase
Company: Couchbase
GitHub detects: NOASSERTION (a custom or multi-license file; the license above is read from the file itself)
Stars per week: From the second weekly snapshot

Weekly snapshots

Week of	Bar	Stars
Sep 21, 2026		49

Changes

Date	What changed
Sep 25, 2026	RelicensedApache 2.0 to Business Source License 1.1
Sep 25, 2026	TrackedAdded: couchbase/ns_server

License changes by email

Only when a tracked project changes its license, foundation or name, at most once a week.