New port. Accrete is a physical simulation of solar system planet
formation, originally published to Usenet-- probably comp.sources.unix--
in 1991 by Joe Nowakowski. This software is in the public domain.
Note that the source tarball is still propogating thru sourceforge, but the
following could be used for "file not found"/"checksum mismatch" problems:
...until SF's file distribution thingy stabilizes.
New port added, thanks!