serial port

Debug COM Port communication.

Perform scans on predefined port ranges.

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

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

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

Using the COM Port in VB.NET

With COM Port Splitter you can manage real and virtual ports as you need.

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

lets you a full control over the Parallel Port of your PC

Create virtual COM ports connected with virtual null-modem cable, share COM port