This plugin is a JavaScript realtime chat that resembles those from Facebook and Gmail. It was built with jQuery, Node.js and Socket.IO, and among its features you can find:

– Multiple themes support with jQuery-UI.
– It’s 100% javascript (client and server side)
– Includes configuration file.
– Support multiple languages.
– Has message pop-up notifications.
– Chat for multiple users
– Users search
– Sounds
– Complete browser support (Opera, Firefox, Google Chrome, Safari, and Internet Explorer)

It was created by Ezequiel Lovelle and hosted on Github.