Infinispan

Infinispan is a distributed in-memory key/value data store with optional schema, available under the Apache License 2.0.

http://infinispan.org

· Available as an embedded Java library or as a language-independent service accessed remotely over a variety of protocols (Hot Rod, REST, Memcached and WebSockets)
· Use it as a cache or a data grid.
· Advanced functionality such as transactions, events, querying, distributed processing, off-heap and geographical failover.
· Monitor and manage it through JMX, a CLI and a web-based console.
· Integrates with JPA, JCache, Spring, Spark and many more.
· Works on AWS, Azure, Google Cloud and OpenShift.