CurrPorts displays the list of all currently opened TCP / IP and UDP ports on your local computer. In addition, CurrPorts allows you to close unwanted TCP connections, kill the process that opened the ports, and save the ports list to file, and more.
Software serial port monitor Rs232 sniffer with protocol analyzer and packet data logger. This monitoring utility can spy, capture, view, log, analyze test com ports activity performing com port connection and traffic analysis with data acquisition
Emsa Port Blocker is a TCP blocking utility. What it does, is blocking unwanted tcp access from / to your computer with customizable rules. It is not a firewall, but acts in a somewhat similar fashion.
YourWanIP displays, in a discrete way, your current WAN IP address. It will inform you if it changes. Changes in IP are logged. If you want to make your own IP detection application, a guide will tell you how to accomplish that.
Provides information about the amount of internet traffic made by each application on your computer.Detailed graphs show live upload and download rates, current connections and historical reports on bandwidth usage for every application.
Simple interface for the X-10 Model CP290 Computer Interface.
Allows FileMaker to access multiple serial ports.
A frontend to Ports and PkgSrc, packaging systems most commonly used on the free *BSDs.