Bangmycode is a project mainly written in JAVASCRIPT and SHELL, it's free.
Code for bangmycode.com
brew install node
echo 'export NODE_PATH="/usr/local/lib/node"' >> ~/.profile
source ~/.profile
curl http://npmjs.org/install.sh | sh
npm install express
Follow this instructions: https://github.com/brainfucker/hashlib#readme
npm install ejs