Strophe.js is an XMPP library for JavaScript

Go XMPP Library (From Yasuhiro Matsumoto and based on the code from Russ Cox)

Cross-platform C++ XMPP client and server library

Native Go XMPP library

An XMPP library for use with Python 3.5+ asyncio.

An XMPP library written for .Net in C#.

Python 2/3 implementation of XMPP

📞 Giggle Jingle library for XMPP, implementation of XEP-0166.

XMPP network library

XMPP library for .NET/Xamarin/.NET Core

Lithosphere IoT Development Platform

SCRAM and the World

An XMPP Framework written in Swift for Linux, macOS, tvOS and iOS inspired by obj-c library XMPPFramework

Asynchronous XMPP Library for PHP based on React

An XMPP library for Unity 3D targeting C# .NET 2.0 is used to implement communication with an XMPP (Extensible Messaging and Presence Protocol) server. This is useful for chat systems, real-time messaging, or presence updates within Unity applications. Key Features of an XMPP Library: Core Protocol Support: Supports core XMPP functionalities.

Old .Net library for XMPP. Imported from Google Code.

SUB ZERO is a secure messaging client that inter-loops across divers networks and encryption frameworks for secure, untraceable communication.