Yes, both UpsellPlus and WooCommerce offer a Free Trial.
UpsellPlus is designed for Large Enterprises, Medium Business and Small Business.
WooCommerce is designed for Large Enterprises, Medium Business and Small Business.
The starting price of UpsellPlus begins at $49/Month, while pricing details for WooCommerce are unavailable.
Some top alternatives to UpsellPlus includes WooCommerce, 2Ship, BigCommerce and CommerceUp.
Some top alternatives to WooCommerce includes Shopify Plus, BigCommerce, Square Ecommerce, Shopify, Ecwid and Magento Open Source.