Mule is an Enterprise Service Bus (ESB) messaging framework.

Summary of features from the project’s homepage:

• J2EE 1.4 Enterprise Service Bus (ESB) and Messaging broker
• Pluggable connectivity such as Jms (1.0.2b and 1.1), vm (embedded), jdbc, tcp, udp, multicast, http, servlet, smtp, pop3, file, xmpp.
• JBI Integration.
• Orchestration of services using WS-BPEL and Mule components and routers.
• Support for asynchronous, synchronous and request-response event processing over any transport.
• Web Services using Axis or Glue.
• Flexible deploment [Topologies] including Client/Server, Peer-to-Peer, ESB and Enterprise Service Network.
• Declarative and Programmatic transaction support including XA support.
• End-to-End support for routing, transport and transformation of events.
• Spring framework Integration. Can be used as the ESB container and Mule can be easily embedded into Spring applications.
• Highly scalable enterprise server using the SEDA processing model.
• REST API to provide technology agnostic and language neutral web based access to Mule Events
• Powerful event routing based on patterns in the popular EIP book.
• Dynamic, declarative, content-based and rule-based routing options.
• Non-Intrusive approach. Any object can be managed by the ESB container.
• Powerful Application Integration framework
• Fully extensible development model

External Links

• Software as a Service Integration via Mule