Royalty: Open-source Shopping Assistant
Royalty applies the best coupons, tracks price history, and compares deals across thousands of retailers. Free and open source.
Open‑source coupon extension that auto‑applies deals without selling data or hijacking commissions.
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Caramel is an fully open-source coupon and cashback extension built for Chrome.
- 100 % open-source. The full code is on GitHub; security pros audit every release.
- Privacy-first. We request only the tabs we need while you shop, nothing else.
- Real savings. Auto-tests every code and shows exactly what you keep.
- Creator-friendly. We never overwrite affiliate links; that stays with the rightful owner.
- Community-powered. Developers and shoppers improve Caramel together.
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Royalty applies the best coupons, tracks price history, and compares deals across thousands of retailers. Free and open source.
Automatically finds coupons and applies the best coupon code at checkout.
Automatically finds coupons while you do shopping
Access exclusive coupon codes and discounts across 100,000 retailers. Savings automatically applied at checkout.
Automate adding coupons and offers to your accounts
Automatically finds & tests coupon codes with AI, applies the best deal at checkout - works on Amazon & 1M+ stores.