#1
Stock Synchronization for WooCommerce
Stock Synchronization lets you synchronize your WooCommerce inventory with your external inventory file. Synchronize your inventory by automatically updating your stock quantities from an external inventory file.
#2
Search By SKU - SKU on Product Page - OpenCart
OpenCart Defaultly provides “Product Code” on Product Page Which Displays Model No. of Product, But Some Kind of Goods don’t have Model Nos. Like Diamond, Jewelry, Clothes etc. So, At that Time, SKU is Very Helpful To Store Owner to Uniquely Identifing Their Products and Also Easy For Visitor/Buyer to Remember/Note.