Jive Software
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LinuxSpark
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Spark for Linux
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SparkWeb for Linux
FreeComprehensive Overview of SparkWeb for Linux
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Openfire for Debian
FreeOpenfire for Debian: Robust Chat Solution
Linux
Jive-x
FreeEnhancing Collaboration with Jive-x
iOS
Openfire
FreeOpenfire: Robust XMPP IM and Groupchat Server
Windows
