• Foreman - Foreman is a complete lifecycle management tool for physical and virtual servers.
  • Katello - Katello brings the full power of content management alongside the provisioning and configuration capabilities of Foreman.
  • Staypuft - Foreman based OpenStack installer.


  • Concurrent Ruby - Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.
  • Algebrick - algebraic types and pattern matching
  • Htmless - fast html5 builder
  • Dynflow - Dynamic workflow engine
  • Justified - adds missing causes to exceptions
  • Praise - intercepts #raise calls, spawns pry sessions for them