To Jabber means to babble incoherently.

Jabber may also refer to:

  • The original name of the Extensible Messaging and Presence Protocol (XMPP), the open technology for instant messaging and presence.
  • Jabber.org, the public, free instant messaging and presence service based on XMPP.
  • Jabber XCP, a commercial product which is an implementation of XMPP. Acquired by Cisco Systems in 2008.
  • An abnormally long transmission on an Ethernet network or link.