Several people who saw Keynotopia asked me if there is something similar for Axure. After doing some research, I found that most options aren't good enough. So with the help of a couple of designer friends, we created Axutopia, an awesome collection of Axure widget libraries for prototyping apps for iPhone, iPad, Android, Facebook, Web and desktop.
We've also put together a free Twitter bootstrap widget library for Axure that you can download and try out.
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