The Java impmentation of the Concurrent MetateM System was developed by Anthony Hepple and is provided under the terms and conditions of the GNU General Public Licence, as usual without any warranty.
The latest version is available here, but we also provide a copy here of version 0.2.1. This is a zip file which, when unzipped, provides the Concurrent MetateM interpreter (an archive of Java class files), documentation and a series of example agent systems.
The instructions for use of the zip file are
$java metatem.Main systemFile