Rabblr is a Bookmarklet that allows you to chat on any website. It is running on http://rabblr.com for anyone to use. There are 2 components: 1. JavaScript client (using sockjs, jQuery) 2. Python server (using Tornado, sockjs-tornado) To build the client, download yuicompressor from Yahoo and run: make build This will create the following files in the static/ directory: 1. A single JavaScript file (with all JS included), minimized using yuicompressor 2. A single CSS file 3. Bootstrap-based HTML files for the Rabblr homepage