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Re:Ask HN: a "modeling" tool for Rails? by sheff on Friday December 20, 2013 @04:38AM (#6940669)
Have you looked at Rubymine ?

I have used its model diagrams in the past to get an overview of models, and it also has class diagrams.

http://www.jetbrains.com/ruby/webhelp/viewing-model-dependen...

Re:Ask HN: a "modeling" tool for Rails? by MrBra on Saturday December 21, 2013 @01:14PM (#6947365)
but the diagram part it's not interactive.. right? It's just a visualization tool I suppose? Thanks