2006-07-26 Apache Excalibur Java inversion of control framework including containers and components The predecessor of Apache Avalon, Apache Excalibur hosts the Avalon framework, a Java container framework, the Excalibur and Fortress inversion of control containers, and a rich library of components. Excalibur code powers Apache James and Cocoon and numerous other open source and commercial projects. Java Excalibur Fortress 2005-08-29 1.1 J Aaron Farr