Converse.jsWeb-based XMPP/Jabber chat client written in JavaScript
LurchXEP-0384: OMEMO Encryption for libpurple.
OpenfireOpenfire is a real time collaboration (RTC) server licensed under the Open Source Apache License. It uses the only widely adopted open protocol for instant messaging, XMPP (also called Jabber). Openfire is incredibly easy to setup and administer, but offers rock-solid security and performance.
SmackSmack is an open-source, highly modular, easy to use, XMPP client library written in Java for Java SE compatible JVMs and Android.
Tigase ServerHighly optimized, extremely modular and very flexible XMPP/Jabber server
Blabber.imblabber.im basiert auf Conversations und ist ein Open Source XMPP/Jabber Messenger für Android 4.1+
Vk4xmppJabber-транспорт для ВКонтакте (A jabber gateway to the VK social network)
DinoModern XMPP ("Jabber") Chat Client using GTK+/Vala
MongooseimMongooseIM is a mobile messaging platform with focus on performance and scalability
Beagle ImXMPP client for macOS based on TigaseSwift XMPP library
Kaidan[Replaced by https://invent.kde.org/network/kaidan] Kaidan, a simple and user-friendly Jabber/XMPP client for every device and platform.
Omemo TopTracking the Progress of OMEMO Integration in various clients
RtbBenchmarking tool to stress real-time protocols
Notifyrelayforward Android messages to a jabber account or your gotify server
Inverse.jsinVerse: A fullscreen, single-page, XMPP-chat application.
TorpedoPluggable, multi-network asynchronous chat bot written in Go
JackalInstant messaging server for the Extensible Messaging and Presence Protocol (XMPP).
EjabberdRobust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)
BitlbeeAn IRC to other chat networks gateway 🐝
SparkCross-platform real-time collaboration client optimized for business and organizations.
ConversationsConversations is an open source XMPP/Jabber client for Android
Miranda NgMiranda NG: Next Generation of Miranda IM
JitsiJitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.
cr-xmppXMPP/Jabber Library for Crystal
ejabberd mod apnsAn ejabberd module to send PUSH messages to iOS devices through APNS
robotitoTerminal shell accessible through a jabber connection
jaxmppJava XMPP client library
SharpXMPPXMPP library for .NET/Xamarin/.NET Core
WhackOpen Source XMPP component library for XMPP components
xmppAn implementation of the Extensible Messaging and Presence Protocol (XMPP) in Go.
xmpp-phpPHP client library for XMPP (Jabber) protocol
stork(M) Android XMPP Client
jabberjaySimple framework for creating Jabber bots
Lurch4AdiumOMEMO Xtra for Adium (packaging the lurch and carbons libpurple plugins)