IP subnet calculator
A powerful WOL, ping, shutdown, GUI application.
Manage multiple networks configuration in Win XP/ Win 7/Win 8.1.
Simple tool to display network traffice
Debugging tools for application-to-application communication.
WPF Winsock Sniffer
Netstat Polling and Remote IP Discovery with ipbounty
Windows share network scanner
WoW small, simple, server switcher/multi-realm-file launcher for free
Very simple windows service that mails public internet IP of a box
TCP/UDP endpoint analysis and mapping utility.
All of the basic network diagnostic tools in a single package