Perforation
StampCAT
StampCAT is a powerful database program designed to help you catalog and manage your stamp collection. StampCAT will help you know what you have, where it is, and the total value of your collection. StampCAT has a comprehensive set of fields,
PERFOMaster v.1. 1. 2004
The program PERFOMaster 3000 is a powerful and easy to use philatelic tool. By simply scanning in your stamp or importing an image file of your stamp, PERFOMaster 3000 will be able to measure the perforations of your stamp.
StampManage Canada v.2005
Use StampManage Canada Philatelic Software to catalog and value your Canadian stamp collection. Features include a huge pre-defined database of stamps and images from Canada and Provinces, including: Newfoundland, Nova Scotia, New Brunswick,
Dmitry Vengerovsky catalogue of postage stamps v.1.22
'Dmitry Vengerovsky catalog' will enable collectors to gather and put in catalogues post stamps of the USSR dedicated to nature issues.General theme is subdivided into topics; a detailed description and color illustration of every stamp is presented.