libmodbus ☆

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Description:
Portable modbus library

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: libmodbus modbus iot industrial networking c-library

Install: brew install libmodbus

About:
Libmodbus is a lightweight, portable C library designed for implementing the Modbus protocol. It provides a simple API for both client (master) and server (slave) communication over various backends including TCP, RTU, and TTY. Its main value proposition is abstracting the complexities of the protocol, allowing developers to easily integrate industrial device communication into their applications.

Key Features:

Portable C library with no dependencies
Supports TCP, RTU (Serial), and TTY backends
Thread-safe context management
Low memory footprint

Use Cases:

Building SCADA systems and industrial automation controllers
Communicating with PLCs, sensors, and smart meters
Creating mock Modbus devices for testing environments

Alternatives:

libmodbus – Standard reference implementation

Version History

Detected	Version	Rev	Change	Commit
Sep 11, 2025 11:38am		0	VERSION_BUMP	40ba2e36