SharePoint 2010 Chat Webpart using COM
Project Description SharePoint Chat is a jQuery plugin for SharePoint 2007 that places a chat application onto a SharePoint webpart page. The plugin uses jquery to add messages to a list and display them in real-time on a list-view web part. It’s simple to install and customize.
Then create a custom list with a single (multi-line) column entitled “Message”. Then get the GUID of the list you’ve created.
Then, save your page, and start chatting!