There are 4 repositories under xmpp-library topic.
Moved to KDE: https://invent.kde.org/libraries/qxmpp | Cross-platform C++ XMPP client and server library
:telephone_receiver: Giggle Jingle library for XMPP, implementation of XEP-0166.
XMPP library for .NET
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
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.
Fork of maelstrom : https://git.enlightenment.org/devs/discomfitor/maelstrom.git/
Fast and easy-to-use API for working on well-known XMPP data structures