Papercut - Papercut is an operational print management platform designed for windows, macs, and Linux, helping you keep track of all your prints.
Printix - Printix is a cloud-based print management platform.
QZ Tray - Print raw (ZPL, ESC/P, FGL), HTML, PDF as well as communicate with USB, HID, and serial devices...
ezeep - ezeep provides managed cloud printing solutions for educational institutes and SMB's.
PrinterLogic - PrinterLogic is an enterprise print management software.
directprint.io - Printer management for Chromebooks & Windows.