Source of http://mikkeli.hacklab.fi website
Frontend is based on theme: https://github.com/IronSummitMedia/startbootstrap-grayscale
Site has simple nodejs backend which is used to submit email of person who is interested into mailchimp service. To activate these features, copy or rename config.js.example into config.js and put your mailchimp api key and list id into the configuration file.