libserialport ☆

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Description:
Cross-platform serial port C library

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: c-library serial-port hardware embedded cross-platform

Install: brew install libserialport

About:
Libserialport is a lightweight, cross-platform C library designed to simplify access to serial ports. It provides a consistent API for enumerating ports and performing full-duplex serial communication, abstracting away platform-specific complexities. This makes it an ideal foundation for applications that need to interface with hardware like microcontrollers, GPS units, or industrial equipment.

Key Features:

Cross-platform API for Windows, Linux, macOS, and BSD
Simplified port enumeration and device discovery
Full control over serial port parameters (baud rate, parity, flow control)
Minimal dependencies and small footprint

Use Cases:

Interfacing with microcontrollers and embedded devices from a PC
Reading data from GPS receivers or scientific instruments
Building custom firmware flashers or communication utilities

Alternatives:

Boost.Asio – A much heavier C++ library that includes serial port support as part of a larger I/O framework.
Platform-specific APIs (Win32, termios) – More complex and requires writing conditional code for each operating system.

Version History

Detected	Version	Rev	Change	Commit
Sep 11, 2025 9:12am		0	VERSION_BUMP	6fe8f530
Sep 13, 2024 1:32pm		0	VERSION_BUMP	f96d77ac