I recommend using your text editor of choice (mine is Vim) and the command line tools, because I find an IDE unnecessary for these projects, but if you really w

I recommend using your text editor of choice (mine is Vim) and the command line tools, because I find an IDE unnecessary for these projects, but if you really want an IDE you can use RubyMine(http://www.jetbrains.com/ruby/ http://www.jetbrains.com/ruby/), PyCharm(http://www.jetbrains.com/pycharm/ http://www.jetbrains.com/pycharm/) and the one I would recommend is Komodo (http://www.activestate.com/komodo-ide http://www.activestate.com/komodo-ide).