Jabbernaut is availiable in a few versions, here are the download links:

PPC Jabbernaut 0.5.6b1 [.sit] [.hqx] [.bin] - Download NOW!

68k Jabbernaut 0.5.5 [.sit] [.hqx] [.bin] - Download NOW!

The sourcecode:

Get the latest tarball from
http://cvs1.sourceforge.net/cvstarballs/Jabbernaut-cvsroot.tar.gz

For more developer source and info go to our developers page