loudmouth ☆

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Description:
Lightweight C library for the Jabber protocol

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: xmpp jabber chat messaging c-library networking

Install: brew install loudmouth

About:
Loudmouth is a lightweight, asynchronous C library designed for implementing the Jabber/XMPP instant messaging protocol. It provides a simple API for handling connections, authentication, and message routing, enabling developers to embed real-time chat capabilities into applications. Its minimal footprint makes it particularly suitable for resource-constrained environments.

Key Features:

Asynchronous, event-driven architecture
Minimal memory footprint
Support for core XMPP features (RFC 3920/3921)
TLS/SSL encryption support
Simple C API for easy integration

Use Cases:

Integrating chat functionality into embedded Linux devices
Building custom XMPP clients or bots
Adding real-time messaging to existing C applications

Alternatives:

libpurple – More feature-rich with multi-protocol support, but significantly heavier than Loudmouth.
Swiften – Modern C++ library offering robust XMPP support, but requires C++ tooling.

Version History

Detected	Version	Rev	Change	Commit
Nov 24, 2024 10:15am		0	VERSION_BUMP	1f0508b6
Nov 29, 2022 7:29pm		0	VERSION_BUMP	158ac015