| Name | Platform(s) | License | Details |
|---|---|---|---|
| Citidel | Linux | GPL3 | www.citadel.org |
| CommuniGate Pro | Linux, MacOSX, Windows | www.communigate.com | |
| djabberd | Linux | GPL3 | www.danga.com |
| ejabberd | Linux, MacOSX, Solaris, Windows | GPL2 | www.process-one.net |
| IceWarp | Linux, Windows | Commercial | www.icewarp.com |
| iChat Server | MacOSX | Commercial | www.apple.com |
| in.jabberd | Linux | GPL2 | www.inetdxtra.sourceforge.net |
| Isode M-Link | Linux, Solaris, Windows | Commercial | www.isode.com |
| jabberd 1.x | Linux | www.jabberd.org | |
| jabberd 2.x | Linux, Solaris, Windows | www.jabberd2.xiaoka.com | |
| Jabber XCP | Linux, Solaris, Windows | Commercial | www.jabber.com |
| Jerry Messenger | Linux, Windows | Commercial | www.j-livesupport.com |
| Kwickserver | Windows | GPL | www.kwickserver.info |
| Openfire | Windows, Linux, MacOSX | GPL | www.igniterealtime.org |
| Open IM | Linux | BSD | www.openim.techlab.smk.fr |
| Prosody | Windows, Linux, MacOSX | MIT/X11 | www.prosody.im |
| psyced | Windows, Linux, MacOSX | www.psyced.org | |
| SoapBox Server | Windows | Commercial | www.coversant.net |
| Sun Java System IM | Linux, Solaris, Windows | www.sun.com | |
| synapse | synapse.malkier.net | ||
| Tigase | Linux, Solaris, Windows, Mac OSX | GPL3 | www.tigase.org |
| Vysper | cwiki.apache.org/labs/vysper.html | ||
| Wokkel | wokkel.ik.nu |