* [http://etherpad.com/ etherpad] - 多人同時共同編輯的純文字記事本
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EtherPad sends messages in both directions between the browser and the server, 
using a technology often called "Comet" or "server push". 
This comparatively recent innovation in web app functionality allows EtherPad 
to be fully real-time.
}}}
 * [http://appjet.com/ The AppJet Web Platform] - etherpad 背後的 framework