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I've been using Weblogic since 1999 (I think Version 2) and there has never been completely free version. They have always been encumbered with the terms as I outlined above.
If you are looking for a free EJB container, there are several, for example Apache Geronimo and Sun's Glassfish
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com