jtdutils are a couple of command line tools for helping to analyse java thread dumps.

Build from scratch:

git clone git://jtdutils.git.sourceforge.net/gitroot/jtdutils/jtdutils
cd jtdutils
make

or download source and/or binaries from sourceforge.net.

Remember to read the documentation: HTML, PDF

Visit the project page, if you'd like to post something on the forum or so.