Apache Excalibur moved into the Attic in December 2010. Apache Excalibur was a Java Inversion of Control container.
The user mailing list, issue tracker, website, and downloads all remain open. See the website at http://excalibur.apache.org for more information on Excalibur.
We do not know of any natural successors or potential forks for Excalibur. As with any project in the Attic - if you should choose to fork Excalibur outside of Apache, please let us know so we can link to your project.
Archived versions of Excalibur may be downloaded from the Apache Archives.