Freeware: Dynsite

Router Tester 1.02Router Tester is an application to help dynsite users to accurately identify the path to the HTML status page of their routers.

DynSite for Windows v1.09allows you to automatically update your current dynamic IP address on one or more dynamic DNS services or by e-mail. dynsite supports four dynamic DNS (Domain Name Server) services: DHS.ORG, DTDNS.NET, DYNDNS.ORG, and YI.

SNMPTest 1.04SNMP Test for routers is a tool which can query and monitor any SNMP-compatible device but it is especially designed to test SNMP router compatibility.

Universal Plug-and-Play Tester 2.07UPnP Tester is an experimental tool which lists all the available devices compatible with the Universal Plug-and-Play protocol including Internet Gateway Devices (IGDs). As soon as the program starts, it searches for available devices.