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1ShoppingCart - 1ShoppingCart is an online store software to build a secure eCommerce storefront.
Sezzle - Sezzle is a digital payment platform designed to help shoppers manage their financial futures with great ease.
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.
Kiva - Loans that change lives -- amazing microfinance web-platform