Paste-sin is a project mainly written in Ruby, it's free.
Paste-sin: a pastebin app like using Sinatra and Pygments with Albino.
brew install mongodb
mongod run --config /usr/local/Cellar/mongodb/1.8.2-x86_64/mongod.conf --rest
git clone [email protected]:matheustardivo/paste-sin.git
cd paste-sin
bundle install
unicorn