There's a bunch of lovely gems scattered through the Atom repos. Some of my favorites from a first quick glance:<p>Biscotto — A CoffeeScript API documentation generator based on TomDoc notation:<p><a href="http://atom.github.io/biscotto/" rel="nofollow">http://atom.github.io/biscotto/</a><p>React-Coffee — A little glue that makes Facebook's React easy to use from CoffeeScript without having to resort to JSX:<p><a href="https://github.com/atom/react-coffee" rel="nofollow">https://github.com/atom/react-coffee</a><p>SpacePen: A minimalist view library for jQuery, allowing custom methods, super calls, HTML-building, subviews, and easy event binding:<p><a href="http://atom.github.io/space-pen/" rel="nofollow">http://atom.github.io/space-pen/</a><p>... and the best bit about this bonanza is that everything is really quite readable. Keep up the good work, Kevin.