A utility that adds manual duplex to the "Print" menu
...It is a CUPS Virtual Printer as well as a standalone utility. It works with *.ps and *.pdf files.
We need translations into YOUR language: http://www.transifex.net/projects/p/gnome-manual-duplex OR http://crowdin.net/project/gnome-manual-duplex OR http://translationproject.org/domain/gnome-manual-duplex.html
Python API for the communication with CLEARjet CX-one printers and a GUI application to print simple visitor id cards containing company, name, start- and enddate of the visit.