You can see it work by running this jnlp: http://jnlp.concord.org/dev/mozswing/mozswing.jnlp.
The MozSwing project is currently funded by Concord Consortium.
The code is available for license under any of these three licenses: MPL 1.1, GPL 2.0, LGPL 2.1.
The source code is being stored in subversion at SourceForge:
The bug database and mailing is located at mozdev.org:
The development email list:
http://www.telscenter.org/confluence/display/SAIL/Swing+HTML+Components - this link doesn't always work, when it does it shows a table of most of the options available for rendering html in swing.