I use Eclipse with the RadRails plugin and RDT for non-rails related 
development with Ruby.

But if you are having problems with Eclipse, try RadRails standalone. It 
includes eclipse preconfigured so you shouldn't have any problems.

www.radrails.org

Diego

Paul escribió:
> Hi everyone,
> 
> What is the best IDE/debugger for Ruby that will work on ubuntu linux?
> I've given up on trying to get eclipse RDT working.
> 
> Is KDevelop good?
> 
> I'd like something with a lot of features (autocomplete) rather than
> something light and emacsy.
> 
> thanks,
> 
> Paul
>