Gaudenz Alder has released JGraph 5.8.1, a free-as-in-speech (Mozilla Public License/LGPL) graph component for Swing that requires Java 1.4 or later. 5.8.1 is a bug fix release.
Michael Fuchs has released DocBook Doclet 1.0.2, a doclet that creates DocBook SGML and XML documents from JavaDoc.