WPDM Block Hotlink add-on will help you to block hot links to download URLs from external sites. Any such request will be redirected to item details page or any other page speciified by you. The external sites can only place the link of your item details page, not the direct download url.

WPC Product Table for WooCommerce
Increase your sales by displaying woocommerce products in rapid order forms! trusted by more than 10,000 shops globally. Start utilizing the WooCommerce Product Table plugin with the greatest ratings and most downloads right now.