With its various distributed data structures, distributed caching capabilities, elastic nature, memcache support, integration with Spring and Hibernate and more importantly with so many happy users, Hazelcast is feature-rich, enterprise-ready and developer-friendly in-memory data grid solution.

• Distributed implementations of java.util.{Queue, Set, List, Map}
• Distributed implementation of java.util.concurrency.locks.Lock
• Distributed implementation of java.util.concurrent.ExecutorService
• Distributed MultiMap for one-to-many relationships
• Distributed Topic for publish/subscribe messaging
• Transaction support and J2EE container integration via JCA
• Socket level encryption support for secure clusters
• Synchronous (write-through) and asynchronous (write-behind) persistence
• Second level cache provider for Hibernate
• Monitoring and management of the cluster via JMX
• Dynamic HTTP session clustering
• Support for cluster info and membership events
• Dynamic discovery, scaling, partitioning with backups and fail-over

Visit www.hazelcast.com for more info.