Always Scalable. Always Fast. Always On.
Couchbase is the open source NoSQL database for interactive web and mobile applications. Join the community of developers who have discovered Couchbase Server and its flexible data model, easy scalability, consistent high performance, and always-on operations.
Couchbase Server
The NoSQL document database
Thanks to a flexible JSON model, Couchbase Server makes it easy to modify your applications without the constraints of a fixed database schema. Submillisecond, high-throughput reads and writes give you consistent high performance. Couchbase Server is easy to scale out, and supports topology changes with no downtime.
http://www.couchbase.com/download