NagVis is a visualization addon for the well known
network managment system Nagios.

NagVis can be used to visualize Nagios Data, e.g. to display IT
processes like a mail system or a network infrastructure.

Key features
 * Display of single Hosts and Services
 * Visualize a complete Host- or Servicegroup with one icon
 * Display the summary state of a Host and all its services
 * Display only the real problems
 * Sub-map icons which represent a complete NagVis Map in one icon
 * Visualization of complete IT processes using self drawn graphics
 * Online documentation of IT environments including current states
 * Multilingual capabilities
 * Web configuration interface (WUI)

WWW: http://www.nagvis.org/