Alternatives to SUDT AccessPort for all platforms with any license

  • Eltima Serial Port Monitor

    Eltima Serial Port Monitor displays, logs and analyzes all serial data exchange between serial devices and any application. This tool is ideal to monitor serial...

    Commercial Windows

    No features added Add a feature

    Eltima Serial Port Monitor icon
  • Listen32

    Listen32 tap into RS-232 transmit signals for monitoring bi-directional communications between two devices. Two COM ports are used in the listening device, the receive...

    Commercial $ $ $ Windows

    No features added Add a feature

    Listen32 icon
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