: The official publisher of the Scott Specialized Catalogue offers its own digital subscriptions and PDF eBooks for collectors who want the authoritative reference materials on their mobile devices or desktops. Specialized & Mobile Alternatives
: Offers a "Quick Add" button to inventory large collections rapidly without manual catalog lookups. Stamps Software s By Scott
: Contains up-to-date market values for various grades, including specialty items like plate blocks and mint sheets. : The official publisher of the Scott Specialized
: Often cited as the world's best-rated inventory software, it has been officially licensed by Scott since 1992. Stamps Software s By Scott