I like Pharo. I was able to build a widget that scraped the front page of HN in an afternoon with it just by following the built-in tutorial and googling. One

I like Pharo. I was able to build a widget that scraped the front page of HN in an afternoon with it just by following the built-in tutorial and googling. One interesting "killer app" might be the Moose platform [0]. It's basically an interactive environment for the analysis of software. Writing a parser is rather straight-forward and turning the AST into a visualization is also quite easy. This sort of feels like how I imagine a good IDE should be. [0] http://www.moosetechnology.org/ http://www.moosetechnology.org/ update spelling.