3.19.52.zip — Mpxtool

| Tool | Platform | Best for | |------|----------|----------| | | Windows (free) | Serial port monitoring & hex editing | | Putty | Windows/Linux | Basic COM port terminal sessions | | RealTerm | Windows | Advanced serial debugging (capture, send files) | | socat | Linux | Command-line serial multiplexing | | MPXTool NG (community fork) | Windows 10/11 | A modern rewrite (if available on GitHub) |