RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Vouchertoday - Save money every day with the latest voucher codes, discount codes, and deals when you shop at your favorite stores. Updated daily and always working. 👍
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.
Briefcase by AppSumo - "Netflix for software"
Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything
reducemeprice - Reducemeprice provide latest and up to date coupon codes, promo codes, and discount deals.