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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

May 8, 2026
Ann: New minor build 3.0.2 build 508 of DNC Precision is available.
- We refreshed the user interface with new icons and resizable dialog windows.
- New activity logging plugins have been added to export data to SQL databases and CSV.
- Update the help manual to reflect the actual features.
- Programs load more quickly.
- Localizations have been improved and new ones added.
- There are several minor bug fixes and improvements. More on.
May 8, 2026
CNC Syntax Editor has been updated.
We have significantly improved the performance of all specialized tools, such as rotating, renumbering, and scaling, when processing NC programs. It is especially noticeable with large programs. Added and updated translations in some languages. The new version of the software you can download in the Download area.
April 17, 2026
Advanced Serial Port Monitor 4.7.1 build 417 has been released.
1. Improved translations in many languages.
2. Added translations for some of the most popular plugins.
3. Added the "MODBUS Scan" plugin, which can scan for MODBUS RTU or ASCII devices on the bus.
4. Added the "Test Sequence" plugin to implement test sequences without scripting, with success/fail statistics.
5. Various small bug fixes and improvements. Download.
April 10, 2026
TCP COM Bridge 1.8.2 build 410 has been released.
We've made it possible to copy an existing configuration. It can help when setting up multiple connections on a server. Please, go to the download area and get an update.
April 8, 2026
The COM Port Data Emulator software has been updated to version 2.7.1 build 408.
Some bugs have been fixed. Improved support of Xon-Xoff for serial COM ports. Data processing speed optimizations. Take a moment and then download it in the Download area.
April 2, 2026
A new version 5.0.2 build 1005 of the Python 3 software is now available.
Added support for versions 3.13 and 3.14. Discontinued support for all versions before 3.8. Added a few py script examples. Improved examples with timers. Download.

news archive

Our software overview: RS232 software