Hey everyone, over the last week I wrote a GUI front-end to Ruby's
bundled debugger using the Ruby/GTK2 bindings. I've always wanted just
a simple GUI debugger and not a full blown IDE. It's the first release,
so don't be suprised if there are many bugs. I encourage you to submit
any you come across though, as well as suggestions.

Website: http://mr-guid.rubyforge.org
Project page: http://rubyforge.org/projects/mr-guid

Mitchell's Ruby GUI Debugger (Mr. Guid) is a simple Ruby GUI debugger
written in Ruby using Ruby/GTK2 bindings. It is only meant to be a
debugger, not an editor or IDE. It has all the functionality of Ruby's
bundled debugger.