Trove Market - The easiest way to buy/sell used + vintage furniture
Take My Cash - Handpicked products from Amazon UK
Wallapop - Wallapop is a free mobile app that acts as a virtual flea market for buying and selling items locally.
Local - Find Amazon products locally.
Kidizen - Kidizen is the top marketplace to buy and sell kids' fashion. Shop thousands of your favorite brands at up to 70% off retail. Sell your kids' and women's.
Reach by Maze - Curate your very own database of engaged research participants with Reach; where you can turn lists into segments and automatically capture audience insights as you send campaigns.