• RVM 2.0 - A fundraiser to convert the 20K lines of shell scripts into pure ruby.
  • PredictionIO - Open source machine learning software.
  • Rubinius X - An attempt to modernize ruby with concepts from other languages.
  • Happy Rhino - Structured framework for client-side web apps.
  • Upgrading to Rails 4 - Andy Lindeman's fine ebook is now open source.