virtual port

Locked USB port is a lightweight application that serves to lock on computer.

A port from C to Ruby of the examples in M.

Allows you to connect any serial port devices over TCP/IP network or Internet

Utility for monitoring and setting the individual bits of the Parallel port

Using the COM Port in VB.NET

Serial COM port component for VB.NET, VC#.NET, VB, Delphi, ASP .NET and more

Start/stop monitoring of the serial port

Software solution for monitoring serial port activity on Win32 PCs.

This program allows you to view and control parallel port on hardware level.

Free Serial Port Monitor, RS232 Com Software Sniffer