OpenEJB is a simple, lightweight Enterprise JavaBeans (EJB) container and server. You can embed OpenEJB in your own applications, or in a Web application server like Tomcat, or run it as a standalone EJB server. It supports EJB 3.0, 2.1, 2.0, and 1.1, and has partial support for EJB 3.1.
A full featured file system for Amazon S3 and other online storage services.
Software to manipulate, monitor, and manage messages in a queue of a WebSphere MQ (formally MQSeries) queue manager from a command-line or shell scripting environment.