Monitors your LAN servers availability and performance, alerts on failures
Build a hassle-free network inventory remotely!
Monitor and record AOL, MSN, Yahoo, FacebookIM and ICQ conversations on your LAN
Free
Axence nVision Free is a tool for professional network monitoring
Comfortable MIB Browser with SNMPv3 support. Includes MIB Editor.
Big Brother is the simplest tool for monitoring your IP-network for troubles.
Employee Monitoring tool monitor employees of the large organization
Connection-oriented packet sniffer and protocol analyzer.