A freeware Windows Syslog Daemon that receives, logs, displays and forwards Syslog messages and SNMP traps from routers, firewalls, Unix hosts. Includes PIX firewall TCP support and many customizable features.
XR SNMP Tools monitors the Network Health as well as many other network parameters like bandwidth usage, error and collision rates, among others. It provides valuable info for system administrators. OPC server is available in other versions.