Middleman project template for building ExactTarget Email Templates. On build Middleman will automatically generate a modular responsive template consisting of Template, Saved Content Areas, and Ampscript files.
gem install middleman
git clone git@github.com:degdigital/MiddleMail.git ~/.middleman/MiddleMail
Then:
middleman init middleman_email_template --template=MiddleMail --skip-git