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XMPP is an open technology for real-time communication, which powers a wide range of applications including instant messaging, presence, multi-party chat, voice and video calls, collaboration, lightweight middleware, content syndication, and generalized routing of XML data.

xmpp.js is a JavaScript library for XMPP.

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It aims to run everywhere JavaScript runs and make use of the best network transport available.


By default, it handles errors and will automatically reconnect. With appropriate configuration it will even loop through a list of endpoints. You don't have to write a single line of code to handle network failures.

Releases follow the Semantic Versionning specification


Each feature is implemented as a module that can be added or removed easily. Including core XMPP features.


We avoid third party dependencies.

For the web, we make the sure the default client doesn't exceed 15 kb (gzipped), for reference, that's less than half the size of React.

Built with xmpp.js

Feel free to send a PR to add your project or organization to this list.


xmpp.js is a rewrite of node-xmpp and learned a lot from it.

Thanks to all xmpp.js and node-xmpp contributors.

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