Double Shot #1121

Open Source - Memcache Top - Figure out which are your hot keys.
Instant Firebug Starter - A full book on using Firebug effectively.
Future of Firebug Lite - The project is looking for folks to work on it.
Brainrubyck - A Brainfuck interpreter written in Ruby.
Turkee - Mechanical Turk integration for Rails projects.
Rack::Attack - Middleware for throttling requests from abusive clients.