2006-12-31 (updated 2015-04-16)
For X systems including Linux, Solaris, OpenBSD, NetBSD, FreeBSD, BSDI 4, Amiga, SunOS, Irix, AIX, HP-UX, OpenVMS, QNX, Win32 and OS/2. Requires Xaw 3.4, Xaw3d, Xpm, Glib 1.2.6, GTK+ 1.2.6 and Imlb 1.9.7. Cygnus need for Win32 and OS/2.