Open Source Real-Time Communication

Openfire 4.1.1

Openfire is a cross-platform real-time collaboration server based on the XMPP (Jabber) protocol.

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Spark 2.8.2

Cross-platform real-time collaboration client optimized for business and organizations.

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Client Library

Smack 4.1.9

Easy to use Java XMPP client library.

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Other Projects
Tinder A Java based XMPP library, providing an implementation for XMPP stanzas and components. 1.2.2
Whack Easy to use Java XMPP component library. 2.0.1
Discontinued Projects
XIFF Flash XMPP client library. 3.1.0
SparkWeb Web based real-time collaboration client. 0.9.0