It's called PromotionCode.org. There is no cost to use this site, and for us frugal folks, that is a must. PromotionCode.org features coupons and codes from over 4000 retailers, so chances are, some of your favorite and most frequently shopped stores are listed. PromotionCode.org claims to publish the most up to date promotion codes and coupons available online. From looking at their site and comparing to other websites like this one, I'd say their claim is true.
One of the features I like best about PromotionCode.org is that they have a separate category for free shipping codes. Nothing makes me more happy than a free shipping code! (Ok, chocolate ranks right up there with a free shipping code....but that's just a given.)
You can find another great aspect of PromotionCode.org in their online store directory. Besides the promo codes link next to the retail store, some of the more popular (and not so popular) stores have an additional link listing their current sale items. That certainly makes shopping easy and convenient!
There is also a tab where you can sign up to have free emails sent to you letting you know when your favorite store(s) adds a new promo code. For
Feel free to check out PromotionCode.org and start saving some money!