Port Monitors
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Port manager
Port Manager is free utility which shows all current TCP and UDP connections, those states and processes. It may be used on XP or later OS versions only. No installation is required. Simply download, unzip and run. Source code of console version of port
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COM Port Data Emulator
As a software or hardware engineer, you may often face situations when you need information about the ability of communication ports on a typical end-user system to handle large flows of data. If looking for a reliable and affordable COM port testing and
NetworkActiv Port Scanner v.4.0
NetworkActiv Port Scanner is a network exploration and administration tool that allows you to scan and explore internal LANs and external WANs.
HHD Software Free Serial Port Monitor v.3 31
HHD Software Serial Port Monitoring Control is a powerful and yet easy to use library which provides the monitoring functionality for your code.
Excel on Multiple Monitors v.1 1
Opening Excel in multiple windows makes it easier to use Excel across multiple monitors and gives back the standard alt tab to flip between Excel Spreadsheets. This solution installs a program instead of using a bat file.
COM Port Toolkit v.3.9.1.507
COM Port Toolkit is an integrated serial communications testing toolkit. It sends user's data to and receives one from a device and records all transfers to a log.
COM Port Stress Test v.1.4.3.907
COM Port Stress Test is a tool for testing a COM or RS232 port (device), that generates a serial stream of data with random communication settings.
Emsa Port Blocker v.1.0.15
Emsa Port Blocker is a TCP blocking utility. What it does, is blocking unwanted tcp access from/to your computer. It is not a firewall, but up to some extent it could be regarded as a similar tool.
The Homysoft Port Scanner v.1.2
The Homysoft Port Scanner is free software for scanning host (by name or by IP address) to find opened ports.
Dan's Port Scanner v.1.0
Dan's Port Scanner is a small and very easy to use application that allows you to scan a given host address for open ports.
UPnP Port Works 3.1D v.1.0
UPnP Port Works ("UPnPPW") is an all purpose platform independent application that aids router management.