Original authors credited in source files: Keith Packard, MIT X Consortium Jim Fulton, MIT X Consortium Stephen Gildea, The Open Group Later enhancements: Alan Coopersmith, Sun Microsystems: IPv6 support, Solaris authentication enhancements, PAM conversation rewrite Amit Margalit, Caolan McNamara, Ivan Griffin, Matthieu Herrb: 3D decoration & XPM pixmap display in login widget Dmitry Yu. Bolkhovityanov: Xinerama support Matthieu Herrb & OpenBSD Team: "allowRootLogin", OpenBSD authentication enhancements Werner Fink, SuSE: PAM support