LPRng is described as 'Printing system compatible with the Berkeley printing system. It provides printer spooling and network print server functionality using the Line Printer Daemon protocol' and is an app. There are 1 alternatives to LPRng for Windows and Linux. The best LPRng alternative is Common Unix Printing System, which is both free and Open Source.
CUPS is a modular printing system for Unix-like computer operating systems which allows to act as a print server. A CUPS-Server is a host that can accept print jobs from client computers, process them, and send them to the appropriate printer.
