Spring Integration 2.1 has been released. The main new features of 2.1 include: RabbitMQ/AMQP, GemFire, Redis, and MongoDB, JSR-223 Scripting, Stored Procedure, and Spring Payload Enricher. Also included is FTP and SFTP Outbound Gateways and Migrating from Spring Integration 2.0.
Here is Spring Integration Homepage: http://www.springsource.org/spring-integration
Maven configuration for Spring Integration: http://www.springsource.org/node/2962