Products and/or Suppliers directories:
Lettopia is a free-to-use service (mostly for eBay sellers, DS friendly, with USA warehouses too), as fees are being collected only from the suppliers. Additionally, by subscribing through DSComparison’s link, you will immediately gain $10, plus $5 within few days, as a welcoming bonus.
Multi-Drop can be the one-stop shop for your eBay stores. It offers a complete solution, combining a Dropshipping tool’s features such as monitoring/listing, with Directory services, such as Catalog of Suppliers, Warehousing & Fulfillment Services and Branding.
Wholesale2B has a ton of dropshipping products plus automation services, such as Sync Inventory, & Orders Fulfillment.
Salehoo (Suppliers Directory / Free Dropshipping guide) is one of the oldest and most popular of its kind.
Chinabrands is a global dropshipping and distributing platform, offering cross-border e-commerce supply chain system solutions.