Open Source ESB by WSO2 - The fast Open Source ESB: Enterprise Service Bus based on Apache Synapse ESB

Important Security Hot Fix
Please download the security hot fix and follow the instructions in its README file. This fixes the security issue described in https://issues.apache.org/jira/browse/AXIS2-4279

WSO2 Enterprise Service Bus (ESB) is an ultra fast, light-weight enterprise-ready open source product based on the Apache Synapse ESB. With WSO2 ESB, you can connect, manage and transform service interactions between Web services, REST/POX services and legacy systems.

From version 2.0 onwards, WSO2 ESB is powered by Carbon.