Apache Avalon was closed down in 2004, long before the creation of the Apache Attic. It's mentioned here for completeness.

For more information, including its successors, archives and description; see the website at http://avalon.apache.org.

Read-only Resource Link(s)
Website avalon.apache.org/
Mailing List Archives dev | apps-dev | cvs | phoenix-dev
Wiki cwiki.apache.org: avalon
Source Code (Subversion) svn.apache.org/repos/asf/avalon/
Board Reports Minutes
Downloads archive.apache.org/dist/avalon/ | KEYS