Ghostscript is the well-known PostScript interpreter which is available for all common and most esoteric platforms and supports many different printers and some displays. Versions entitled "GNU Ghostscript" are distributed with the GNU General Public License, which allows free use, and free copying and redistribution under certain conditions (including, in some cases, commercial distribution). This port includes add-on packages (not part of the official gs release) o Support for pdfencrypt, see description on - http://members.ozemail.com.au/~geoffk/pdfencrypt/ o HP8XX driver for HP DeskJet 880C/882C/895C - http://www.gelhaus.net/hp880c/ o DJ970 driver for HP DeskJet 970CXi - http://www.harsch.net/Ghostscript/ghostscript.html o PCL3 and HPDJ driver for HP DeskJet series - http://home.t-online.de/home/Martin.Lottermoser/pcl3.html o Gimp-Print driver for Canon/Epson/Lexmark/HP printers - http://gimp-print.sourceforge.net/ o HPinkjet driver for HP PhotoSmart/DeskJet series - http://hpinkjet.sourceforge.net/ o Spacial drivers for verious printer models mainly sold in Japan - Alps, Canon, Epson, NEC, Ricoh,... o Additional contributed uniprint driver profiles for - Epson Stylus Color 740 and Epson LQ-1170 WWW: http://www.cs.wisc.edu/~ghost/doc/gnu/index.htm