Jez Ng, CJ Carey and Jonny Leahey introduce Doppio, a JVM written in CoffeeScript for the browser.
Amir Barylko introduces CoffeeScript showing some of its main constructs.
Howard Lewis Ship introduces and demoes some of the most interesting features of Twitter Bootstrap.
Brandon Satrom introduces CoffeeScript, enough for a developer to get an idea about the language and to be able to get started.
Jeremy Ashkenas discusses CoffeeScript, making an introduction to the language and demoing some of its features.