This is Oglethorpe, a virtual machine by Henry Strickland, in the domain . Oglethorpe is a work in progress. It it not capable of doing anything useful yet. Oglethorpe is currently covered by the GNU Lesser General Public License. See the file COPYING.LESSER. The files "lightning.h" and the "lightning" subdirectory are from the "Gnu Lightning" package, covered by the GNU Lesser General Public License. (They are currently configured for intel x86 architecture, but you can build Gnu Lightning for PowerPC, and reinstall lightning/*.h) To run the current tests, try sh -x mk ./a.out 112.oa For updates, use darcs pull --all http://albus.yak.net/repos/oglethorpe ( To install darcs on Fedora Core, "yum install darcs" )