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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

February 20, 2026
Data Logger Suite 3.1.2 build 220 has been released.
A couple of fixes in DDE data source interface. More on.
February 20, 2026
Printer Out comes with the following changes:
Error handling has been improved when working with printers that don't support text mode or printing to a file. You can find the update in the Download area.
February 18, 2026
Advanced Serial Port Monitor 4.6.1 build 218 has been released.
This update fixes some small "bugs". Take a moment and then download it in the Download area.
February 2, 2026
AGG Software has released an update for Advanced Serial Port Monitor, bringing it to version 4.6.1 build 202.
Fixed two memory leaks. Download.
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.

news archive

Our software overview: RS232 software