Port Analyzer 1.0 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program lies within Internet & Network Tools, more precisely Network Tools.
This free program is an intellectual property of PortAnalyzer.com. The program's installer file is generally known as PortAnalyzer.exe. The latest version of the program is supported on PCs running Windows XP/7/8/10/11, 32-bit. The following version: 1.0 is the most frequently downloaded one by the program users. We recommend checking the downloaded files with any free antivirus.
From the developer:
This is a program that could mostly be used to monitor data through your computers Ethernet network ports, support to capture all network packets bypassing the protocol stack. You can use this free network utility to monitor all your network adapters in your PC, not only local computer, this program can monitor and capture remote host packet.
You may want to check out more software, such as Serial Port Tester, Serial Port Splitter or Tomato Analyzer, which might be related to Port Analyzer.
Tools
Network tools