Twattle.net is a Instant Messaging Service based on XMPP. It is the aim of this service to give you a server to use Instant Messaging and Multi User Chats without costs. XMPP (earlier known as Jabber) is an internet standard for Instant Messaging. The XMPP Standards Foundation (XSF) (earlier known as Jabber Software Foundation, JSF) is a charitable foundation, which specifies and promotes the XMPP protocol.