nosql

The MongoDB Java Driver uber-artifact, containing the legacy driver, the mongodb-driver, mongodb-driver-core, and bson

MongoDB support for Spring Data

The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.

Neo4j kernel is a lightweight, embedded Java database designed to store data structured as graphs rather than tables. For more information, see http://neo4j.org.

Apache HBase™ is the Hadoop database. Use it when you need random, realtime read/write access to your Big Data. This project's goal is the hosting of very large tables -- billions of rows X millions of columns -- atop clusters of commodity hardware.

Neo4j Community Edition

Apache Accumulo core libraries.

The MongoDB Asynchronous Driver.

Monger is a Clojure MongoDB client for a more civilized age: friendly, flexible and with batteries included

Titan Core: Core Library For Titan