Ohloh Project Analysis
The WSO2 ESB is a lightweight and easy-to-use Open Source Enterprise Service Bus (ESB) available under the Apache Software License v2.0. WSO2 ESB allows administrators to simply and easily configure message routing, virtualization, intermediation, transformation, logging, task scheduling, load balancing, failover routing, event brokering, etc.. The runtime has been designed to be completely asynchronous, non-blocking and streaming based on the Apache Synapse core. WSO2 ESB is developed on top of the revolutionary Carbon platform (Middleware a' la carte), and is based on the OSGi framework to achieve the better modularity for your Service Oriented Architecture (SOA). This also contains a lots of new features and many other optional components to customize the behavior of the server.