Serial Port Monitor
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Serial Port Monitor is a professional software that displays, logs and analyzes RS232/422/485 COM port activity. Intercept COM port activity with Serial Monitor by Eltima.
small logo Serial Port Monitor
#1 at Serial Port Software
Advanced Serial Port Monitor
Log and analyze serial port activity
4.6 rank based on 75+ users
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Comparison Table

Let’s compare the features that Free RS232 Data Logger and Serial Port Monitor offer.
  • Free RS232 Data Logger v2.7.0.117
    Released 11th Jan, 2006
    Serial Port Monitor v8.0.388
    Released 7 Jul, 2020
    Support for RS232 ports
    Compatibility with RS422, RS485 ports
    Reading COM port data and saving it to a file
    Recording data from any number of serial ports at a time
    Monitoring multiple COM ports in one session
    Availability of several data viewing modes
    Search and filtering of recorded IRPs
  • Free RS232 Data Logger
    v2.7.0.117
    Released 11th Jan, 2006
    Support for RS232 ports
    Compatibility with RS422, RS485 ports
    Reading COM port data and saving it to a file
    Recording data from any number of serial ports at a time
    Monitoring multiple COM ports in one session
    Availability of several data viewing modes
    Search and filtering of recorded IRPs
    Serial Port Monitor
    v8.0.388
    Released 7 Jul, 2020
    Support for RS232 ports
    Compatibility with RS422, RS485 ports
    Reading COM port data and saving it to a file
    Recording data from any number of serial ports at a time
    Monitoring multiple COM ports in one session
    Availability of several data viewing modes
    Search and filtering of recorded IRPs