Coupons.com - Coupons & Coupon Codes, Savings & Deals
RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
GrabHosts.net - GrabHosts is a directory that shares web hosting coupons, promo codes & offers along with deals for other Online Stores as well.
Dealspotr - Dealspotr is like Wikipedia for deals.
CouponSwift.com - Coupon codes and deals for Domain Names, Web Hosting, VPN, WordPress Themes and software.
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.