What is Jabber? Jabber is the original open instant messaging (IM) technology, invented by Jeremie Miller in 1998 and formalized as the Extensible Messaging and Presence Protocol (XMPP) by the IETF as an Internet Standard for IM and presence. How do I create an account at cyberguerrilla.org? To create an account at the cyberguerrilla.org IM …