update : 23/12/2020


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Studied version : 4.8.0 Website : http://www.wso2.com - Google Pagerank : 5 Distributed by : Enterprise (WSO2) Licence : License2 Technology : Java Year of creation : 2007

WSO2 ESB is an open source project, which brings together heterogeneous environments using a service-oriented model. It was developed in 2005 by Dr. Sanjiva Weerawarana and Paul Fremantle, former IBM employees’ and creators of Apache SOAP and WSIF (Web Services Invocation Framework).

WSO2 ESB is based on the Carbon platform and implements OSGi specifications common to all WSO2 products and is modular and scalable. It uses Apache Synsapse projects for the mediation component, and Apache Axis2 for web services, whose editor is the main contributor.

WSO2 is highly interoperable and supports many transport formats and protocols such as POP3, JMS, AMQP, FIX, CIFS, MLLP, SMS, SOAP, REST, EDI, HL7, OAGIS, Hessian, CORBA/IIOP.

Unlike its main competitors WSO2 ESB is 100% Open Source and does not have a chargeable premium version. Its source code is freely available on a SVN repository.


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EN Noelia Martin Hernández
Rate this solution the 31/08/2015

“ WSO2 is a provider of a comprehensive suite of products for SOA architecture. My expertise is on focused in DSS products, API Manager, BAM and of course the ESB, the flagship product. It although not as well known as other products is a software that offers a multitude of possibilities to suit each customer and their needs thanks to its flexibility. It also has the possibility to be expanded very easily with connectors and customized mediators, without neglecting the cost of the license is limited to the support which makes this product a great choice for use in customers with limited spending margins. ”

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EN Tharindu Amarasinghe
Rate this solution the 11/08/2015

“ A well known ESB product for its high performance, security, scalability and specially for use alongside with ebay. ”

EN Vimukthi meewalaarachchi
Rate this solution the 11/08/2015

“ Complete Middleware stack offering including ESB,BPEL,BAM,Registry etc. Good Interfaces for Administration console and Product Coverage WSO2 IDE provides support to create basic component cofiguration with extensive support for Mediator customization. Single setup instance installation is simple Creating proxy services and applying setting like security can be done from the console. ”


Ohloh users rating 4.90 (10 votes)
lines of code 6600032 lines
(for the 12 last months)
Programming Languages Java, XML, JavaScript, 29 Other
Tags eai webservices ruby wso2 clustering middleware jms distributed_computing mom distributed events rest soap virtualization eip eventing synapse routing transactions webservice proxy server transformation event-driven restful wsdl brokering messagebus esb apache messaging networking ws-security xml soa enterprise java integration performance broker
Download url http://wso2.org/downloads/esb
Ohloh page https://www.openhub.net/p/esb