Véase También

• A Quick Introduction to Rack
• Writing modular web applications with Rack
• Rackup Wiki
• Rack from the Beginning por Adam Hawkins (github: https://github.com/crguezl/rack-from-the-beginning)
• Understanding Rack de Tekpub Productions (Vimeo)
• Media Test: Rack Middleware on Any Framework por Noah Gibbs (YouTube)
• Rails Online Conf: Rack in Rails 3 por Ryan Tomayko (Youtube)
• 32 Rack Resources to Get You Started por Jason Seifer
• The Little Rack Book
• Rack Developer's Notebook
• Rails Conf 2013 You've got a Sinatra on your Rails by José Valim
• The Web Server Gateway Interface is a simple and universal interface between web servers and web applications or frameworks for the Python programming language. Rack is inspired in WSGI