This section of the Nagios-Wiki should be used to collect information about Nagios-based monitoring systems. Examples are GroundWork Monitor, OpsView, Centreon. In the end every package that integrates Nagios as a monitoring engine with additional software.
GroundWork Monitor (GWM) integrates a number of well-known Open Source products (Nagios, MySQL, RRDtool, Nmap, etc) into a monitoring system. It provides out-of-the-box a nice web interface, a usable configuration tool (Monarch) and RRDtool-based trend graphing. GroundWork Monitor comes as a free Community Edition (CE) and the non-free editions Professional and Enterprise.
This is the place to collect FAQs, tips and tricks, How-Tos and bug fixes covering GWM. Please put information applying directly to Nagios into the other sections of this Wiki.