Have you ever wondered what that ~20MB of code in your Ruby installation is there for? You didn't know Ruby came with an eso- standard library?! Well it totally does, and there's a lot of hidden gems in there just waiting for you to uncover.
Allow me to guide you through some of the more delightful members of the standard library. I will hand pick libraries authored by the pioneers of Ruby and show you the useful bits.
Together we'll discover the bountiful archive of libraries that come packaged with Ruby.