Show HN: An extension that track product price and notifies you when it drops

ShopToList (https://shoptolist.com https://shoptolist.com) is a small web extension that allows you to track the product you want and notifies you once the price drops. Totally free and without ads. Unlike its competitor (camelcamelcamel, shoptagr, ...) ShopToList works for every website and every product.