Tower exists, but the issue is that unlike express, which runs Learnboost, there aren't any Node users who both a) want to build their for-profit application on

Tower exists, but the issue is that unlike express, which runs Learnboost, there aren't any Node users who both a) want to build their for-profit application on Node while b) being willing to write their own framework. I'm sure it's coming, but just not here yet.