Open Source EJB Servers

EasyBeans is an open-source lightweight EJB3 container implementation developed within the ObjectWeb consortium (www.objectweb.org). It can be integrated within JOnAS and Tomcat

Apache Geronimo is a new effort coordinated by the Apache Software Foundation to make a J2EE compatible container.

JBoss is advanced middleware with a full J2EE based personality that IT departments look for. But that is not all, the OEM and ISV community embraced JBoss as a highly flexible service oriented architecture on which to build their own products.

JFox is an Open Source, standards-compliant, J2EE based application server implemented in 100% Pure Java, It comes from China Enterprise Open Source Community.

JOnAS is a full J2EE platform, developed within the ObjectWeb consortium (www.objectweb.org), currently in the process of passing the Sun J2EE 1.4 Certification.

A modular, configurable, and extendable EJB Container System that comes with Servers for both Local and Remote access

Panther is a lightweight, modular Java application server, suitable for embedding in a web server, and intended as an alternative to the current standard of large-scale/monolithic application servers. It provides basic stateless/stateful session beans, a distributed, cached jdbc service, and jython-based configuration.

Resin Open Source provides JSP, Servlet, and EJB functionality