SecTools

cheops / cheops-ng : Gives a simple interface to many network utilities, maps local or remote networks and identifies OS of machines
Cheops provides the functionality of many network utilities through a comfortable, powerful GUI. It has host/network discovery functionality as well as OS detection of hosts. Cheops-ng has the ability to probe hosts to see […]

Sam Spade : Freeware Windows network query tool
Sam Spade provides a consistent GUI and implementation for many handy network query tasks. It was designed with tracking down spammers in mind, but can be useful for many other network exploration, administration, and security tasks. It includes tools such as ping, nslookup, whois, dig, traceroute, finger, raw […]