ReaTiWe - your Real Time Web playground
http://bloggitation.appspot.com/entry/reatiwe-your-real-time-web-playgroundhttp://reatiwe.appspot.com/ is your playground for all cool real-time-related stuff, which become popular recently - XMPP, webhooks, pubsubhubbub. The system have two main parts: web interface and XMPP bot, both deployed on Google AppEngine.