Gift Hero - The best wish list ever
Coupofy - Coupofy is USAs number 1 trustworthy deals and coupons website.
Giftwhale - Giftwhale allows you to create personalised wish lists online.
TrackIf - Alerts you if the price of your favorite products drop
GiftBuster - Wish list registry & shopping list app
Lootr.com - Lootr - Your favorite amazon price tracker. Saving you from paying full price.