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Data logging and monitoring software for COM, TCP, USB, ports

Our advantages:

  • Our data logging software can capture data from various serial port types (RS232, RS485, USB, VCP).
  • Data logging and monitoring software for many protocols and data formats like TCP, UDP, NMEA, MODBUS, OPC and DDE.
  • Data loggers collect data in real-time 24x7.

Latest news

January 19, 2026
Advanced PBX Data Logger 4.1.2 build 119 has been released.
Small performance and GUI improvements in PBX Reports and web reports. Please, go to the download area and get an update.
January 19, 2026
MODBUS RTU,TCP,ASCII gets a couple small bugfixes.
We've improved reading of the SunSpec info from a device. Added new MODBUS maps for various inverters and power sources. Download.
January 16, 2026
MODBUS Gateway 1.6.2 build 116 has been released.
We've added two keep-alive modes for MODBUS TCP. More on.
January 14, 2026
Advanced Serial Port Monitor 4.6.1 build 114 has been released.
- The program now starts faster when multiple plugins are used.
- The last used plugins are now saved and loaded on the next startup.
- Improved performance in data decoding.
- Significant performance improvements in data logging.
- The program can now add the time difference from the previous data packet to a timestamp.
- Added a new plugin with a customizable panel featuring 24 buttons. By clicking a button, you can send any data packet.
- Added an option to create a new log file when a defined signature is found in incoming data.
- Added a hotkey to clear the data window.
- The ASCII table window was improved. It now includes short descriptions for some codes and allows inserting a selected code into the input field.
- Other minor improvements and bug fixes. Take a moment and then download it in the Download area.
January 12, 2026
TCP COM Bridge has been updated.
We added a new feature that lets the program connect to the COM port only when needed and let go of it when there is no data. Moreover, you can now temporarily suspend the chosen configuration, for example, when you test various devices. More on.
January 12, 2026
New version 2.0.2 build 112 of the OPC Server Simulator program has been released.
We've added the OPC UA server simulator. New simulation types. Improved UI and overall performance. You can find the update in the Download area.

news archive

Our software overview: RS232 software