Community-based GPL-licensed network monitoring system
Oxidized is a network device configuration backup tool
A Swiss army knife for your daily Linux network plumbing
TraceMAC is a command-line Layer 2 traceroute for Cisco switches
Full-Stack Infrastructure Performance Monitoring
Storage, SAN, LAN Performance Monitoring: IBM,NetApp,Hitachi,HPE,EMC
Environment to experiment the system on simulated and real networks
Firewall log analyzer
Cisco IOS Device Management (backup, update image, save conf, reboot)
RCDCap is a remote capture preprocessor
A collection of Perl scripts for managing IT infrastructure devices
Network Ping time and UPS Logger
GNS3 Network simulator Live USB
PHP-based looking glass for Cisco, Juniper & Zebra/Quagga routers
OPTOSS Next Gen Network Management System (NG-NetMS)
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
A simple, handy network addressing multitool with plenty of features.
Neo's Series Technology Document
The project is a valid Link Layer Discovery Protocol frame generator
VPCS
The free cross-platform antivirus software tool-kit
Automatic configuration generation tool for routers