JAutodoc is an Eclipse Plugin for automatic adding Javadoc and file headers to your source code. It optionally generates initial comments from element name. Starting with Release 1.3 of JAutodoc it is possible to define Velocity templates for Javadoc and file headers.
Maven DocCheck Plugin is a report-type plugin for Apache Maven. It will create and register a report on missing and corrupt javadoc comments using the Sun Doc Check Doclet.
Generates documentation for the Java code in the project using the Doc Check Doclet. The default settings will suit many projects, and simply entering maven doccheck will create the standard documentation.