diff --git a/README.md b/README.md
index a030822..c17b33f 100644
--- a/README.md
+++ b/README.md
@@ -460,7 +460,10 @@ Please read [CONTRIBUTING](./CONTRIBUTING.md) if you wish to add software.
 
   * [FlockDB](https://github.com/twitter/flockdb) - Twitter's distributed, fault-tolerant graph database.
   * [Neo4j](http://www.neo4j.org/) - Open source graph database.
-* Key-Value
+
+*Key-Value.*
+
+  * [Couchbase](http://www.couchbase.com/) - In-memory, replicated, peristent key/value datastore.
   * [LevelDB](https://github.com/google/leveldb) - Google's high performance key/value database.
   * [Redis](http://redis.io/) - Networked, in-memory, key-value data store with optional durability.
   * [Riak](http://basho.com/riak/) - Another fault-tolerant key-value NoSQL database.