diff --git a/couchbase/README.md b/couchbase/README.md
index 5bd6891..aae1585 100644
--- a/couchbase/README.md
+++ b/couchbase/README.md
@@ -1,2 +1,13 @@
 # couchbase-keepalive
 A lightweight Go utility that performs periodic operations to prevent Couchbase Capella free clusters from entering inactive state.
+
+## Related
+
+Part of the `*-keepalive` family — same pattern, different databases:
+
+- [mongodb-keepalive](https://github.com/tiennm99/mongodb-keepalive) — Mongodb
+- [mysql-keepalive](https://github.com/tiennm99/mysql-keepalive) — Mysql
+- [redis-keepalive](https://github.com/tiennm99/redis-keepalive) — Redis
+- [postgresql-keepalive](https://github.com/tiennm99/postgresql-keepalive) — Postgresql
+- [valkey-keepalive](https://github.com/tiennm99/valkey-keepalive) — Valkey
+