React Todos
Backbone's example TODO app with React JS
Components for views in place of Backbone.View.
Demo
http://ssorallen.com/react-todos/
The demo uses local storage to save todos in the browser. The views are all rendered with React, which means there is no dependency on another DOM manipulation library like jQuery.
Annotated Source
http://ssorallen.com/react-todos/docs/
The documentation is created using Docco.
Favicon
The great little todo list favicon comes from Typicons.