Common UNIX (and Linux) Printing System

CUPS is based on the emerging RFC based standard 'Internet Printing Protocol' (IPP) and on the verge of becoming the default printing system for an number of Distributions (easyLinux 2.1, Mandrake 7.2, SuSE 7.1...) 'ESP PrintPro' is a commercial extension to CUPS and provides over 2300 printer drivers