Groupon

Deal-finding tool that checks in-store inventory and clearance prices at major retailers like Walmart and Target.

Deal aggregator curating verified discounts and coupon codes on tech products and electronics.

Deal aggregation site tracking sales, coupons, and discounts across major retailers daily.

Daily deal site from the creators of Woot, selling one random discounted product per day.

Community-driven deal aggregation site where users share and vote on the best online bargains.

Amazon-owned daily deals site offering steep discounts on electronics, home goods, and random overstock.

Coupon and cashback platform aggregating discount codes and deals from thousands of online retailers.

Amazon price tracker. Shows price history charts and alerts you when products drop to your target price.

PayPal-owned browser extension that automatically finds and applies coupon codes at online checkout.