FAVADO. Best shopping list app EVER - create your shopping list right from your phone based on the sales each week! Also allows you to compare prices and find coupons for the items in your list. Available for most grocery stores nationwide.
If you think coupons are too much work, you've GOT to read this post. This simple method of using coupons could totally revolutionize the way you view coupons -- it's SO easy and effective! (Genius post!)
Aldi Foods - 4 Things you need to know before you shop
The Fun Cheap or Free Queen: FCF Q: Questions about couponing. What coupon sites are best? Is couponing worth it? How would you save money grocery shopping other than coupons? The REAL DEAL on couponing, and everything you need to know to make an educated decision for YOU.