BSD Router Project (BSDRP) is a customized distribution of FreeBSD dedicated to offering IP routing services for small ISPs (not for home use).
mrouted is an implementation of the DVMRP multicast routing protocol. It turns a UNIX workstation into a DVMRP multicast router with tunnel support, in order to cross non-multicast-aware routers.
pimd is a lightweight, stand-alone implementation of Protocol Independent Multicast-Sparse Mode. It implements the full PIM-SM specification according to RFC 2362 with a few noted exceptions.
A grid computing solution.
A unique retro-flavoured puzzle-riddled dungeon crawler.