RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Anywish.app - Collect gift ideas for your loved ones and share your own wishlists. Add items from any online store. The perfect list maker for Christmas and other events!
DontPayFull - Verified coupons and discounts for a variety of online retailers.
Gift Hero - The best wish list ever
Groupon - Each day Groupon offers a deal through local vendors in your city.
Wishy.gift - This web app will allow you to easily create wish lists and share them with your friends and family.