2 ms·
http://www.igniterealtime.org/projects/openfire/index.jsp http://www.igniterealtime.org/projects/openfire/index.jsp used it on an old project. written in JAVA,
by pinktacobender 12y ago
http://www.igniterealtime.org/projects/openfire/index.jsp http://www.igniterealtime.org/projects/openfire/index.jsp
used it on an old project. written in JAVA, not my favorite, but super easy to use and highly extensible.