IM

软件名称	应用	开发语言	许可	标准协议	插件机制	详细说明/安装下载/源代码下载
IPMsg	P2P	C		自定协议	无	http://www.ipmsg.org/ http://www.ipmsg.org/index.html.en http://www.ipmsg.org/index.html.en
jabberd1.4	服务端	C	GPL	XMPP	无	http://jabberd.jabberstudio.org/1.4/ http://jabberd.jabberstudio.org/1.4/dist/JabberD-1.4.2.exe http://download.jabberd.org/jabberd14/
ejabberd	服务端	Erlang	GPL	XMPP	无	http://ejabberd.jabber.ru/ http://www.process-one.net/en/projects/download.html http://www.process-one.net/en/projects/ejabberd/download.html
OpenIM	服务端	Java	BSD	XMPP	无	http://www.open-im.net/en/ http://openim.dev.java.net/servlets/ProjectDocumentList http://openim.dev.java.net/servlets/ProjectDocumentList
Exodus	客户端	Delphi		XMPP	有	http://jabberstudio.org/projects/exodus/project/view.php http://jabberstudio.org/projects/exodus/releases/ http://exodus.jabberstudio.org/exodus-src.zip
Miranda IM	客户端	C		XMPP	有	http://www.miranda-im.org/ http://www.miranda-im.org/release/ http://sourceforge.net/cvs/?group_id=94142
Pandio	客户端			XMPP	有	http://www.pandion.be/ http://www.pandion.be/download/
Gaim	客户端	C		XMPP	有	http://gaim.sourceforge.net/ http://gaim.sourceforge.net/downloads.php http://sourceforge.net/projects/gaim/
AnyQ	客户端/服务端	Delphi/C		XMPP	*	http://www.anyq.net/cpxx.htm http://www.anyq.net/rjxz.htm http://www.anyq.net/rjxz.htm
LinQ	客户端/服务端	C		XMPP	**	http://cosoft.org.cn/projects/myicq/ http://cosoft.org.cn/projects/myicq/
Skype	客户端	？		SIP	***