Converse.js – FREE Open Source Facebook-Like Chat Client
Converse.js is a free open source Facebook-like chat client and can be integrated in any website. This script not only gives you clean Facebook-like chat system but it also supports multi-user chat rooms. It can be connected to any accessible XMPP/Jabber server.

Features
- Single-user chat
 - Multi-user chat in chat-rooms
 - vCard support
 - Service discovery
 - Contact rosters
 - Can easily be subscribe with other contacts both manually or automically
 - Accept or decline contact requests
 - Roster item exchange
 - Chat statuses (online, away, busy, and offline)
 - Custom status messages
 - Typing notifications
 - Third person messages
 - i18n aware
 
