GUSI (Grand Unified Socket Interface) is a POSIX/Pthreads/Sockets library bringing some of the comforts of UNIX 98 to traditional MacOS (7.0 - 9.9999).
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.