Developed by devhub.io
Robust, ubiquitous and massively scalable Jabber / XMPP Instant Messaging platform
ChatSecure is a free and open source encrypted chat client for iOS that supports OTR and OMEMO encryption over XMPP.
Conversations is an open source XMPP/Jabber client for the Android platform
Event-driven networking engine written in Python.
Open-source XMPP client for Android
A highly modular and portable open source XMPP client library written in Java for JVMs (JavaSE) and Android
Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ, IRC and many other useful features.
Tsung is a high-performance benchmark framework for various protocols including HTTP, XMPP, LDAP, etc.
A XMPP server licensed under the Open Source Apache License.
Ncurses based XMPP client