Caffeine is a language that extends CoffeeScript.
for Ubuntu (latest stable version):
sudo apt-get install python-software-properties
sudo add-apt-repository ppa:chris-lea/node.js
sudo apt-get update
sudo apt-get install nodejs
for Ubuntu (latest stable version from ppa:chris-lea/node.js repository):
sudo apt-get install npm
for Ubuntu (leave off the -g if you don't wish to install globally):
sudo npm install -g caffeine
caffeine /path/to/script.coffee
caffeine -c /path/to/script.coffee
Caffeine (not ready yet) CoffeeScript
https://github.com/ich/caffeine/issues/