PrintDuplex is a Gnome utility for manual duplex printing and booklet creation from PostScript files. It is a front-end to the PSUtils tools.
PrintDuplex is Copyright 2000-2001 Markus Enzenberger. The program is released under the GNU General Public License.
The current version is 0.2 and still in a beta development status. You can read the documentation online.
Downloads, news, a bug tracking system and more is available at the PrintDuplex project page at SourceForge.