Top 10 Best Serial Data Logger Software of 2026

Advanced Serial Data Logger from AGG Software is a professional-grade tool for capturing, parsing, and logging data from RS232, RS422, and RS485 serial ports in real-time. It supports multiple ports simultaneously, exports data to files (CSV, Excel), databases (MySQL, SQL Server, Oracle), and offers automation via plugins for filtering, splitting, and TCP/IP bridging. Widely used in industrial automation, SCADA systems, and device testing, it ensures reliable data integrity with features like duplicate removal and scheduling.

Serial Port Monitor by electronic.team is a professional-grade tool for capturing, analyzing, and logging serial port (RS232/RS422/RS485) data traffic in real-time. It provides detailed views of data in hex, ASCII, and binary formats, with advanced protocol decoding for Modbus, BACnet, and others. Users can record sessions to files, replay them, and apply filters/scripts for precise debugging of device communications.

Device Monitor from HHD Software is a comprehensive serial port monitoring and data logging tool that captures, analyzes, and records communication data from RS232/485, USB serial devices, modems, and TCP/IP connections in real-time. It provides detailed protocol decoding, filtering, search tools, and export options to files like CSV or HTML for further analysis. Primarily targeted at developers and engineers, it excels in debugging hardware-software interactions and automating data workflows.

Docklight Scripting is a professional-grade serial communication tool from docklight.de, specializing in real-time monitoring, logging, and automated analysis of RS232, RS485/422, and virtual COM port data. It extends basic logging with a powerful scripting engine based on ECMAScript, enabling users to create custom test sequences, protocol simulations, and data processing workflows. Primarily targeted at embedded systems developers and QA engineers, it supports advanced features like checksum verification, data filtering, and export to various formats for in-depth analysis.

Data Logger Suite from AGG Software is a versatile collection of data logging tools that captures serial (RS232/RS485), TCP/IP, UDP, modem, and file-based data streams in real-time. It features advanced parsing, filtering, scripting, and export options to databases (SQL, Oracle, MySQL), Excel, HTML reports, and more. Designed for industrial and automation environments, it ensures high-performance logging with minimal data loss even under heavy loads.

RealTerm is a free, open-source serial terminal program primarily for Windows, designed for debugging embedded systems and hardware interfaces via serial ports. It functions effectively as a serial data logger by capturing data in ASCII, hex, binary, or graph formats, with support for timestamps, file rotation, and session-based logging. Advanced features include protocol simulation, scripting, modem controls, and TCP/UDP bridging, making it suitable for detailed serial communication analysis.

YAT (Yet Another Terminal), available on SourceForge, is an open-source Windows application serving as a versatile terminal emulator and serial data logger for RS232, TCP/IP, UDP, and other protocols. It captures, logs, and analyzes serial communications with features like timestamped file exports, data filtering, and multiple view modes (ASCII, HEX, binary). The software supports macros, scripting via Lua, and automation, making it suitable for embedded debugging and device testing. While powerful, its interface reflects older design principles.

Serial Studio is a free, open-source, cross-platform tool designed for real-time visualization, analysis, and logging of serial data from devices like microcontrollers and sensors. It features a drag-and-drop dashboard editor with widgets such as plots, gauges, tables, and buttons for monitoring telemetry. Users can define message structures via YAML for decoding binary protocols, script automations with Lua, and export data to CSV for further analysis.

CoolTerm is a free, cross-platform serial port terminal application designed for communicating with hardware devices over RS-232 or USB-serial connections. It excels at capturing, displaying, and logging serial data in formats like ASCII, HEX, binary, or mixed modes, while supporting features like macros for sending predefined data sequences. Primarily used for debugging embedded systems, microcontrollers, and IoT projects, it offers reliable data export to text files with optional timestamps.

AccessPort is a Windows-based serial port monitor and data logger that captures real-time data from RS232, RS422, or USB-to-serial devices, displaying it in ASCII, hex, or binary formats. It supports session logging to text or CSV files with timestamps, allows sending custom data back to devices, and includes basic filtering and macro scripting for automation. Primarily aimed at debugging serial communications in embedded systems, hardware testing, or industrial applications, it offers a no-frills approach to serial data handling.