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• Updated Apr 10, 2025
• Erlang

A full modbus protocol written in python

• Updated Oct 18, 2025
• Python

A modbus master and slave test tool with import and export functionality, supports TCP, UDP and RTU.

• Updated Oct 2, 2024
• C#

Most complete Modbus library for Arduino. A library that allows your Arduino board to communicate via Modbus protocol, acting as a master, slave or both. Supports network transport (Modbus TCP) and Serial line/RS-485 (Modbus RTU). Supports Modbus TCP Security for ESP8266/ESP32.

• Updated Oct 27, 2024
• C++

Easy-to-use Modbus RTU and Modbus ASCII implementation for Python.

• Updated Apr 4, 2024
• Python

This is an Arduino library that implements the slave/server logic of the Modbus RTU protocol.

• Updated Jan 4, 2025
• C++

master modbus library for STM32 LL

• Updated Mar 16, 2025
• C

Rust implementation of Modbus with idiomatic bindings for C, C++, .NET, and Java

• Updated Oct 17, 2025
• Rust

A library to implement the master/client portion of the Modbus RTU protocol on Arduino

• Updated Aug 22, 2025
• C++

MODBUS Protocol CRC Calculation (algorithm performance analysis)

• Updated Jul 15, 2022
• C

A full Modbus protocol written in Python 3.

• Updated Sep 6, 2019
• Python

A native node addon to calcalate and verify CRC16 values, adopted by MODBUS agreement

• Updated Jan 12, 2023
• C++

MODBUS protocol for Danfoss ECL Comfort 110

• Updated Sep 26, 2025

Lightweight Modbus slave implementation for embedded C applications

• Updated Oct 21, 2025
• C

Implementation of the Modbus protocol in .NET; containing ASCII, RTU and TCP.

• Updated Aug 8, 2025
• C#

modbus client and server library for kotlin

• Updated Aug 29, 2024
• Kotlin

Raspberrypi Pymodbus TCP with Slave ESP8266 Nodmcu

• Updated Aug 25, 2017
• Python

A library to manage Modbus RTU communication on Arduino

• Updated Jan 4, 2025
• C++

Golang Modbus Server (Slave)

• Updated Jul 18, 2025
• Go

Modbus-event is a TCP/IP Master, event-driven, NodeJS implementation for modbus protocol.

• Updated May 24, 2017
• JavaScript