Pedlar - Rather than selling the products of the online retailers and offering the discount and daily deals by these online retailers, Pedlar basically work as an online platform where willing sellers and potential customers meet to make the deals.
DealNews - DealNews is called to be the universe of sales because of featuring thousands of products in all ranges and categories from home to office products.
Zoho Inventory - Zoho Inventory is an online inventory management software ideal for small businesses. Simplify your inventory and order operations. Try for FREE!
Savelist - Found products you want but not ready to buy?
Keepa - Price history charts and the option to be alerted on price drops for all Amazon sites.