CouchDB, a non-relational (NoSQL) document-oriented open source database, has finally reached version 1.0. Claimed features for the first full release are:
* Up to 300% faster than the pre-release version,
* support for Microsoft Windows,
* authentication system – until recently this could have been seen as a major oversight,
* replicator options – CouchDB offers a number of replication methods.
Read more at ReadWriteWeb