Python: Flask (http://flask.pocoo.org/ http://flask.pocoo.org/) Ruby: Sinatra (http://www.sinatrarb.com/ http://www.sinatrarb.com/) Node: Express (http://expr

Python: Flask (http://flask.pocoo.org/ http://flask.pocoo.org/) Ruby: Sinatra (http://www.sinatrarb.com/ http://www.sinatrarb.com/) Node: Express (http://expressjs.com/ http://expressjs.com/) PHP: No framework