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
- October 26, 2026
- The Advanced OPC Data Logger software has been slightly modified to version 4.1.8 build 1026.
- OPC DA, AE, HDA, UA and XML clients: opening a data source takes about
0.15 seconds. Before, it took 1-3 seconds, because the plugin read the
list of all OPC servers of the computer every time.
- OPC UA client: no unneeded network name lookup before each connection
to a server given by its IP address (it could add up to several
seconds to every connection). Take a moment and then download it in the Download area. - October 26, 2026
- AGG Software has released an update for M-Bus, bringing it to version 5.0.1 build 1023.
A request set to run once now gets 3 tries in total and then stops. Before, after a timeout, it started again and again. You can download an update in the Download area. - October 26, 2026
- Internet Sharing has been updated.
E-mails with attachments are sent faster. You can find the update in the Download area. - October 26, 2026
- Ann: New build 5.0.1 build 1023 of Expressions is available.
RegexSearch always failed; RegexMatch and SubGroup returned wrong matches. The help file is updated with a brief description for all functions. More on. - October 26, 2026
- The EtherNet/IP software has been slightly modified to version 5.0.1 build 1023.
- every request is answered about 0.2 seconds faster;
- closing no longer waits 5 seconds for an unanswered request;
- the connection no longer gets stuck with CompactLogix controllers that report CIP Security (firmware 36);
- no more 3-5 seconds of lost time after a connection;
- STIME and FTIME values are read correctly (they were exported as 0);
- Large UDINT values (above 2147483647) are no longer lost;
- DATE, DATE_AND_TIME and TIME values are exported now. Take a moment and then download it in the Download area. - October 26, 2026
- Ann: New build 5.0.5 build 1023 of DLMS/COSEM is available.
A small memory leak with every date and time value is fixed. A damaged object list cache file is now ignored, and the list is read from the meter again. The new version of the software you can download in the Download area.
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