Oracle NoSQL Database, Java-based
By alexismp on Oct 25, 2011
The product is a transactional and distributed key-value database with focus on Scalability, High Availability and Easy Admin. It has an open source version (soon available, use the trial OTN-licensed version for now), is built in Java (like many other NOSQL products) and specifically on BerkleyDB, it offers a simple get/put/delete Java API and can be downloaded from this page.
The product documentation is here.