I think that radrails (eclipse) had plans on integrating ruby-debug, so 
that might work.

Martin Krauskopf wrote:
> Jim Phillips wrote:
>> Question.  Is there a more sophisticated troubleshooting tool for Ruby
>> available yet (for Linux)?
> 
> There are bunch of them:
> 
> http://debug-commons.rubyforge.org/misc/ruby-debugging.html#gui
> 
> Some of them might be outdated and not maintained anymore (the page
> needs update).
> 
> I can recommend NetBeans Ruby debugger ;)
> 
> http://wiki.netbeans.org/wiki/view/RubyDebugging#section-RubyDebugging-Screenshots
> 
>   m.

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