RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Creddon - Tweet for a cause and a sponsor will donate $1 to charity
DontPayFull - Verified coupons and discounts for a variety of online retailers.
Wheelys Dreams - Crowdfunding for making dreams become real
Dealspotr - Dealspotr is like Wikipedia for deals.
UpEffect - Crowdfunding for social good products