Axence NetTools Pro

Axence NetTools Pro is a FREE and very comprehensive set of network administration tools: NetWatch - network monitoring with alerting, real-time & historical charts; WinTools lists exhaustive system information from Windows computers; port scanner; network scanner; NetStat lists local inbound & outbound connections; TCP/IP workshop for low level service testing; ping; fast traceroute; DNS lookup; bandwidth test tool; SNMP browser and more.