Note: Ruby Inside service will be slow until Thursday as I'm on vacation. The flow will then return to regular levels! Thanks!Sinatra - A New Ruby Web App FrameworkIt's still in its infancy but Sinatra is an interesting looking new Ruby Web app framework. It relies very heavily on a custom DSL but is otherwise in a similar niche to Merb or Camping.PackR - Ruby JavaScript CompressionPackR is a port of a Javascript compressor originally developed by Dean Edwards. The interesting thing about PackR is that it comes as a Rails plugin to enable you to have the JavaScripts associated with your Rails apps "packed" on the fly. Packing isn't a sure-fire way to stop someone ripping off your code, but it makes it significantly harder.Great resource on Rails' sessions and cookiesThe guys at QuarkRuby have put together a great guide to lots of other sites that show how sessions and cookies are managed in Rails and how you can work with them.