Covetly - Collectibles marketplace with appraisal tools
AliInsider - Find Most Profitable Dropshipping Products in a Click! Analyze Competition, Check Saturation of Any Product, Find Top Suppliers & Target Markets.
CataWiki - Europe's fastest growing online auction house, featuring a wide range of special objects. Have a look at our auctions and place your bids!
FindNiche - A free tool for AliExpress and Shopify. You can easily find niche products from your competitors, get latest insights of trending secrets and best-winning dropshipping products on Top Shopify stores and AliExpress drop shippers.
Thinga.Me by Microsoft - Make virtual collections of your real stuff
Pexda - Data-Driven Product Research that Creates First-Mover Advantages