- sinatra-synchrony 24 Bootstraps Sinatra with EM-Synchrony code, make TCPSocket EM-aware, provides support for tests
- hummingbird 6 Real time web analytics using node.js and web sockets
- ffiruby-filemagic 4 Reimplementation of ruby-filemagic gem (uses FFI)
- restful-authentication 2 Generates common user authentication code for Rails/Merb, with a full test/unit and rspec suite and optional Acts as State Machine support built-in.
- mimetype-fu 2 get the mimetype of a file directly in Ruby