TopCashback - TopCashback names itself the UK’s most generous cashback site. They offer cashback on over 5,000 retailers with a variety of payment methods including gift cards, PayPal and bank transfer.
Felt for iPhone - Handwritten cards for the modern world
Freebird - Freebird is a cashback and shopping rewards platform that allows anyone to participate at no cost.
43 Layers - Marketplace for custom gifts and decorations
Paribus - Find out for free if online stores owe you a refund!
GiftStarter - Crowdfunded gift-giving and gift concierge