The simplest app for serial port communication
The Dude will layout your network on a map and will monitor services of devices
EPS can test the details of proxy and quickly set the proxy for your browser.
Basic internet tools: ping, traceroute, whois, ping scan, graphical ping, dns
Tool for getting MAC address and computer name from IP address. Can wake on lan
HotSpot Software - WiFi Hotspot billing with time and bandwidth control
Powerful network management made easy and affordable
A free tool that can tell you about the ports and connections on your network
Host monitoring with alerting and history, trace, port/network scanner and more