How does Esper compare to other CEP products?
Esper is an entirely free open-source component available under the GNU GPL license (GPL also known as GPL v2). The open-source nature of Esper helps in tailoring the event processing language and other community driven features. Esper and NEsper are embeddable components written in Java and C# and are therefore suitable for integration into any Java process or .NET-based process including J2EE application servers or standalone Java applications. Esper and NEsper are not a server by itself but are designed to hook into any sort of server, ranging from market standard JEE server (weblogic, websphere, jboss etc), service bus, or lightweight solutions (OSGi based, grid etc) and also Microsoft based .Net technologies. NEsper is suitable for use in desktop end-user stations. The other advantages this model offers is that the components can run standalone in your development environment making development and testing much easier, while for the target production environment this makes it much
Esper is an entirely free open-source component available under the GNU GPL license (GPL also known as GPL v2). The open-source nature of Esper helps in tailoring the event processing language and other community driven features. Esper and NEsper are embeddable components written in Java and C# and are therefore suitable for integration into any Java process or .NET-based process including J2EE application servers or standalone Java applications. Esper and NEsper are not a server by itself but are designed to hook into any sort of server, ranging from market standard JEE server (weblogic, websphere, jboss etc), service bus, or lightweight solutions (OSGi based, grid etc) and also Microsoft based .Net technologies. NEsper is suitable for use in desktop end-user stations. The other advantages this model offers is that the components can run standalone in your development environment making development and testing much easier, while for the target production environment this makes it much