Highly configurable SNMPv1/v2c/v3 application-level proxy
Monitor your GNU/Linux server with your smartphone
Tools to help you control IT systems and escape their control over you
netflow collecting and processing tools
Monitor SNMP hosts with a sysfs-like filesystem in user-space
A simple packet sniffer for local networks
FAN is Linux-based operating system provided Nagios
Free Accountability Software
Easy-to-use C++ library for various SNMP tasks
Open Source BGP Looking-glass
Modifications to Torrus
Show server load-average chart and run pre-define command remotely
vMotion Detector for Linux & Windows Platforms
School assignment for a simple network traffic analyzer
IDS + IPS for RouterOS (mikrotik)