libxcb ☆

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Description:
X.Org: Interface to the X Window System protocol

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: System utilities

Tags: x11 xcb graphics window-system protocol xorg

Install: brew install libxcb

About:
Libxcb is the X C Binding, a modern replacement for Xlib that provides a low-level interface to the X Window System protocol. It generates strongly-typed, lightweight APIs for multiple languages, enabling efficient communication with X servers. This library is essential for developing high-performance graphical applications and window managers on Unix-like systems.

Key Features:

Protocol-level access to the X11 server
Generates bindings for C, Python, and other languages
Asynchronous request handling for better performance
Modular design with separate protocol extensions

Use Cases:

Developing lightweight window managers and compositors
Building high-performance graphical applications
Creating language bindings for X11 interaction

Alternatives:

Xlib – Xlib is the traditional X11 client library; Libxcb offers a more modern, modular, and performant alternative with better async support.

Version History

Detected	Version	Rev	Change	Commit
Dec 19, 2024 9:19am		0	VERSION_BUMP	185048f0
Oct 27, 2024 12:49pm		0	VERSION_BUMP	040d6876