Open Port Check Tool
Port Forwarding Tester - gHacks Tech News
COM Port Stress Test - Allows testing your serial port performance and stability.
Powershell - Testing a Port with Test-NetConnection - Alexandre VIOT
LinuxCNC Documentation Wiki: Parallel Port Tester
TCP Port Test Fails When SQL Server Service Is Stopped
Test Port Heavy Duty: CEVaC DA6205
Test Ports - Information - Packaged Systems Incorporated - PSI Filters
Testing your BitTorrent port
Simple Port Tester - Download & Review
Test Port Plugs - Blue Ribbon Corp.
Reliable Open Port Check Tool
PortCheck 2.1 - TCP port check Windows 10
COM Port Stress Test Download: Test the behavior of COM, RS232, and RS485 ports by simulating heavy activity with the help of this program aimed at software and hardware developers
5 Ways to Check if a Port Is Opened - wikiHow
USB reliability & benchmarking software - PassMark USB2Test
Pressure & Temperature Test Port - Nexus | Flow of Innovation
ConfigMgr Client TCP Port Tester
Open Port Scanner - Scan and Test Open Ports | SolarWinds
PortCheck 2.1 - TCP port check Windows 10
Performance Testing - Open Port on Server - Progress Test Studio
How to Test COM Ports and Short Haul Modems
Test Port and Diagnostic Couplings | Parker NA
Serial port testing
Test my COM port free - Download anything you like. Whatever the weather !
Open Port Checker - The simple port forwarding test tool
