Active Ports monitors all open TCP and UDP ports on a local computer.
Simple Port Tester is a neat application created to test TCP and UDP ports.
List available hosts, open ports, and their characteristics.
Lalim Parallel Port Control can control hardware through the parallel port.
Unistal Systems Pvt. Ltd.
Port Locker helps you protect valuable information from your computer.
Operate your Printer-Port CNC machinery from any modern laptop, notebook, etc.
Odamex Dev Team
Odamex is a free and open source port for the classic first-person-shooter Doom.
Daniel Scharrer, Sebastien Lussier
Arx Libertatis is a cross-platform, open source port of Arx Fatalis.
Infoprint Port Monitor lets you print from Windows applications to a printer.
Hot Time Software
It's a software for the printer and parallel port.
Capture printer output that would normally go to a communications port like LPT1.
Mehmet Mert Yildiran
How wide open is your computer?With LPS you're able to check your computer foropen or listening port....
Port Listener XP is designed to open up fake ports.