JBoss

JBoss is Red Hats Java EE 5-compliant (soon Java EE 6-compliant) application server. It is, as with Red Hat itself, dual-licensed either as open source (community edition) or commercially (enterprise edition).

Free Open Source Mac OS X Windows Linux

WebSphere Application Server

WebSphere Application Server provides the availability and security your business depends on while optimizing cost. Build, deploy and manage robust, agile and...

Commercial Windows Linux Java Mobile

Apache Geronimo

A Java EE 5-certified application server for web and enterprise applications based on Suns Java EE platform specification. The goal of the Geronimo project is to...

Free Open Source Mac OS X Windows Linux