Absolutely! We're using Rails at Precision Nutrition. We use it to serve up a JSON API, and in a more traditional sense with ERb templates. We're finding it to

Absolutely! We're using Rails at Precision Nutrition. We use it to serve up a JSON API, and in a more traditional sense with ERb templates. We're finding it to be incredibly productive, and more than performant for our needs — especially when you couple it with Postgresql.