ModbusTools are cross-platform (Windows, Linux) Modbus simulator tools (client and server) with GUI to work with Modbus protocol (TCP,RTU,ASCII)

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

(Archived)modbus write in pure go, support rtu,ascii,tcp master library,also support tcp slave.(WIP new implement<old: https://github.com/thinkgos/gomodbus >)

ModbusLib is a free, open-source Modbus library written in C++.

Serial Monitor

Lightweight Modbus slave stack for embedded C applications

Modbus-RTU, ASCII Test Program using Qt

Full Featured C# Modbus Library

Tool that allow debugging Modbus network, that does not require installation, as it uses web-serial API and a modern web browser.

Rebuild repository from what were released from SourceForge and more...

ModbusBridge is a simple cross-platform (Windows, Linux) Modbus converter/gateway application that provides mutual convertions between different types of Modbus protocol: TCP, RTU, ASC

Implementation of Modbus protocol for AT89C51 (8051) microprocessor

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

modbus rtu、tcp、ascii、rtu_over_tcp、ascii_over_tcp

IP-Symcon Module to integrate ABL chargepoint devices

pmbridge (Programmable Modbus Bridge) is a cross-platform (Windows, Linux) Modbus gateway application (TCP, RTU, ASC).

ModbusTool is a small utility app that will help you to tame modbus protocol and conduct experiments with modbus devices driven with a Yocto-RS485, a Yocto-RS232 or a Yocto-Serial.

libmodbuspy is a free, open-source Modbus library written in Python

modbusua is a cross‑platform (Windows, Linux) gateway that bridges data between the Modbus and OPC UA

🔧 gromb: A Modbus protocol library implemented.