Monitor RS232/422/485 COM ports in your system. Analyze and log serial port.
This app allows you to check the flow of data through a computer's COM ports.
Advanced USB Port Monitor will allow you to display the packets sent.
List available hosts, open ports, and their characteristics.
Infoprint Port Monitor lets you print from Windows applications to a printer.
Open Source Geospatial Foundation
MapGuide Open Source is a platform for developing web mapping applications.
Monitor open TCP and UDP ports and applications that open them on your PC.
Data logger for RS232, TCP/IP, Modbus and RS485 + serial com port monitor.
usbpicprog is an open source Microchip PIC programmer for the USB port.
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.
The dialer uses one local UDP port and one local TCP port.
Serposcope is an open-source rank tracker to monitor website ranking.
Awavo Com Port Monitor is a multifunctional serial port monitoring application.
Bill Serial Port Monitor utility is a Serial RS-232 COM ports monitor.
NetworkActiv AUTAPF is a UDP and TCP port forwarder.