| accessdate = 2008-04-19}}</ref>) is an [[instant messaging]] [[client (computing)|client]] for the [[Extensible Messaging and Presence Protocol|XMPP]] protocol which uses the [[GTK+]] toolkit. The name Gajim is a [[recursive acronym]] for ''Gajim's a jabber instant messenger''. Gajim runs on [[GNU]]/[[Linux]], [[Berkeley Software Distribution|BSD]] and [[Microsoft Windows]]. Released under the [[GNU General Public License]], Gajim is [[free software]]. A 2009 round-up of similar software on [[Tom's Hardware]] found version 0.12.1 "the lightest and fastest jabber IM client".<ref>http://www.tomshardware.com/reviews/ubuntu-linux-communications,2431-6.html</ref>