Miranda IM

Miranda IM is the best Software for Windows . Add multiple messaging clients in one simple interface

Windows Jabber Xmpp Im Chat
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Version 0.10.22

Conversations (Jabber / XMPP)

Conversations (Jabber / XMPP) is the best Software for Android . A full version social & communication app for Android, by Daniel Gultsch

Android Jabber Jabber Xmpp Xmpp
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Version 1.18.3

AstraChat - Direct XMPP & VOIP Client

AstraChat - Direct XMPP & VOIP Client is the best Software for iPhone . AstraChat is a standalone and lightweight Jabber (XMPP) client application with VOIP calling that connects directly to your XMPP server without any proxies in-between.

iPhone Jabber Jabber Client Jabber Xmpp
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Version 1.2.11

IM+ All-in-One Mobile Messenger

IM+ All-in-One Mobile Messenger is the best Software for Palm OS . Instant messaging program compaitble with MSN and Jabber

Palm OS Jabber One Messenger A NET
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Version 3.21

IM+

IM+ is the best Software for Android Symbian . Chat in Facebook, Skype, MSN/Live Messenger, Google Talk, Yahoo!, AIM/iChat, ICQ, mig33, SINA Weibo, Mamba.Ru, Fetion, Jabber, VKontakte, Yandex IM, Odnoklassniki, RenRen and Mail.Ru Agent on the go!

Android Symbian Facebook Messenger Jabber One Messenger
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Version 6.6.5