NetTools is a comprehensive set of administration tools:- NetWatch - host monitoring with alerting, real-time & historical charts of response time & packet lost.

E-mail & sound notifications available when a host is down.- WinTools - lists exhaustive system information from Windows computers: running processes & services, registry, event log, disk, memory & CPU information, etc.- Port scanner - checks for all open ports and running services.

It can discover some Trojans/spyware.- Network scanner - discovers all nodes in a remote network, their IP/MAC and services running on them.- NetStat - displays your computer's inbound and outbound connections, lists all open TCP/UDP ports, with the remote IP address & the process using the connection.- TCP/IP workshop - establishes low-level TCP/UDP connections to troubleshoot and test network services.

It can send raw data to any remote port.- SNMP Browser - a full SNMP browser, so easy you can use it even if you don’t know a thing about SNMP.- Other tools: fast traceroute shows information about every host on the route, its response time, and packets lost (full trace within 1 second).

NetCheck - with this tool you can check the quality of network hardware in your LAN.Free & Pro versions.