PRIMA homepage Prima is an extensible Perl toolkit for multi-platform GUI development. Platforms supported include Linux, Windows, and UNIX/X11 workstations (FreeBSD, IRIX, SunOS, Solaris and others). The toolkit contains a rich set of standard widgets and has emphasis on 2D image processing tasks. A Perl program using PRIMA looks and behaves identically on X11 and Win32. The toolkit includes a vi