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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

August 22, 2025
AGG Software has released an update for Datatag Link, bringing it to version 1.1.7 build 822.
We have improved the MODBUS slave mode, OPC data reading, and reduced data flickering in the program's main window when displaying status with many tags. Download.
July 8, 2025
Ann: SNMP Data Logger 3.0.8 build 708 is available with several changes.
Improved ability to read SNMP data from devices that might react slowly. More on.
July 8, 2025
The Advanced PBX Data Logger software has been slightly modified to version 4.0.9 build 708.
We've updated the parser for the new 3CX firmware release. Download.
July 8, 2025
Advanced Serial Data Logger 5.0.9 build 708
This is the regular maintenance release. You can find the update in the Download area.
June 18, 2025
Local database comes with the following changes:
Fixed issues with user-defined columns ordering and date formats. You can find the update in the Download area.
June 18, 2025
Local database 5.0.1 build 618
Fixed issues with user-defined columns ordering and date formats.

news archive

Our software overview: RS232 software