Jabber

ejabberdErlang

Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)

Converse.jsJavaScript

Web-based XMPP/Jabber chat written in JavaScript

OpenfireJava

An XMPP server licensed under the Open Source Apache License.

SmackJava

A modular and portable open source XMPP client library written in Java for Android and Java SE VMs.

MongooseIMErlang

MongooseIM is Erlang Solutions' robust, scalable and efficient XMPP server, aimed at large installations. Specifically designed for enterprise purposes, it is fault-tolerant and can utilise the resources of multiple clustered machines.

AdiumObjective-C

An open-source instant messaging application for macOS that connects to XMPP, IRC, and multiple other services.

TigaseJava

(M) Highly optimized, extremely modular and very flexible XMPP/Jabber server

Beagle IMSwift

A powerful XMPP client for macOS with file transfer, VoIP, and end-to-end encryption support.

JabberjayClojure

A Clojure micro-framework for creating Jabber/XMPP bots to automate interactions and provide system information.

cr-xmppCrystal

A pure Crystal XMPP library for building clients, components, and IoT applications with modern security features.

axmppAda

An XMPP client library written in Ada for connecting to Jabber servers to send and receive messages.

JabberClientPascal

A Jabber XMPP protocol client API for building XMPP-based chat applications.