Vigilo NMS

Vigilo NMS ("Network Monitoring System") is a monitoring software capable of handling large-scale heterogeneous systems (network servers, software) thanks to a distributed and modular architecture. Built around Nagios, Vigilo additionally manages metrology, mapping, correlation and reporting.
It is released as an open-source software, published under the GNU GPL license.
Components.
Vigilo results from the integration of several open-source software:
Modules.
Vigilo's main modules are:
Vigilo is mainly written in Python, with some components written in Perl.
Publication.
Vigilo is released under the GNU GPL license.
Three versions are available: