Virtual Serial Port Driver allows creating virtual serial port pairs on a PC.
Serial Port Software
Serial Port Splitter grants simultaneous access to a COM port from several apps.
Displays, logs and analyzes all serial port activity in a system.
HHD Software, Ltd.
It allows you to create virtual serial ports and emulate their behavior.
HW Virtual Serial Port allows creating virual serial port drivers.
This app allows you to check the flow of data through a computer's COM ports.
A DSLR Interval Timer using the parallel port or serial port of your PC.
Advantech Equipment Corp.
A gang programmer, which works through your PC's USB port or parallel port.
Hot Time Software
It's a software for the printer and parallel port.
The BasicX Programming Environment uses the PC parallel port for the BX0.
ScopeOnPC is a free software that uses the PC parallel port.
This module encapsulates the access for the parallel port.
SoftCollection Impulse Counter supports up to 12 counting processes via single Parallel Port.
Link two computers together using a parallel port cable.
This is a programmer for Atmel AVR microcontrolers that uses PC parallel port.
The Flash MC Programmer I is a fast parallel port programmer.