1)   A+ PrinterMonitor 2.3
A+ Printer Monitor is an easy to use application that monitors the activity of all printers connected to a machine. The application provides information on user, time when a printing job occurred and also the cost associated to printing

 2)   Print Explorer 2.0
Print Explorer is an application that controls all printing activity, providing a total cost for each print job. You'll get the reports by e-mail by specifying an e-mail address and the frequency for sending e-mails.

 3)   Cyclope Enterprise Printer Monitor 3.0
Cyclope Enterprise is an easy to use application that monitors the activity of printers connected to a machine. The application provides information on user, on computers the request was made from, time of the printing job, number of printed pages.