Adding your favorite UNIX software I

    /usr/ports (extract with ports.tar.gz)

        Third-party software ported for you

            "make" downloads source, extracts, patches, builds, and installs!

        subdirs for archivers, audio, databases, devel, games, lang, mbone, misc, net, news, plan9, security, shells, sysutils, textproc, www, x11, ...