Fail-proof and easy to use cross-platform serial datalogger. Logs data from RS-232 interface to a GUI, console and optionally to a file.


  • Cross-platform: Windows (Intel), macOS (Intel, M1 ARM), GNU/Linux (Intel/ARM), 32- and 64-bit architectures
  • Logs serial data to screen (GUI), console and optionally in a file
  • Fail-proof data collection. Save every collected line of data immediately to the optional log file avoiding data loss even at power breakdowns or computer/application crash.
  • Warning of unintentional overwriting or deleting of unlogged buffer
  • Impossible to overwrite log file from application
  • Graphical User Interface (GUI)
  • Get serial port names from the OS
  • Serial port name is editable in the GUI (for pseudo ports as /dev/pts/[x])
  • Arbitrary baud rate (if hardware supports it)
  • Hardware (CTS/RTS) and Software (Xon/Xoff) handshake available
  • Timestamp function (ISO 8601, MJD, …)
  • NEW Apple Silicon M1 support


SerialLogger v1.1.0 @Windows 10

SerialLogger v1.1.0 @Windows 10


  • PC with MS-Windows 7 (32/64-bit) or higher
  • PC with GNU/Linux on x86/x86_64 or ARM (32/64-bit)
  • Macintosh with macOS 10.5 (Tiger) x86_64, macOS 10.16 (Big Sur) M1 or higher
  • Java 6 JRE or higher on platforms mentioned above (Oracle Java or OpenJDK)


For source code, JARs and platform related installers go to the GitHub-Release section.


Version Notes
0.9.0-alpha Basic functions, works just in Windows
0.9.0 Basic logging functions and serial settings, fail-proof log file feature, full cross-platform functionality (Windows, macOS, GNU/Linux)
1.0.0-beta Hardware (CTS/RTS) and Software (Xon/Xoff) flowcontrol option, append data to existing file feature, invalid path bug fixed, warning of overwriting unsaved/unlogged buffer at new connections
1.0.0 Check & warn for unsaved/uthenlogged puffer at app closing, empty commport bug fixed, flowcontrol bug fixed, filedialog bug fixed on macOS & Windows, code clean-up
1.1.0-alpha Timestamp feature (see for details)
1.1.0-beta ISO 8601 timezone bug fixed. All other timezone strings now ISO 8601 compatible. Delimiter combobox bug fixed
1.1.0 Timestamp function, Look and Feel function
1.2.0 Save buffer feature, Timezone-DST bug fixed, latest jSerialComm library v 2.3.0, Apple Silicon M1 support (v1.2.0b)


Version Notes
2.0.0 Command line features

Known bugs

Please report bugs on GitHub-Issues.


This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see


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