Community-based GPL-licensed network monitoring system
Open Source Monitoring System for performance and availability.
Firewall log analyzer
Produces a graphical map of hosts, switches and routers in a network.
A collection of Perl scripts for managing IT infrastructure devices
PHP-based looking glass for Cisco, Juniper & Zebra/Quagga routers
A SNMP agent for Cacti
Various TCP/IP servers, clients and network management tools
Recursive mapping/discovery of network devices via CDP/OSPF