CouponicHowTos is a project mainly written in ..., it's free.
Tips or tutorials related to Uniprogy's Couponic script
Uniprogy's Couponic is a Groupon clone based on the Yii framework.
This is a small yet-to-grow set of Couponic tutorials.
There is already a Tutorials section within Couponic's forums but I opted to Github as the more natural way to share code.