eHopper POS - The eHopper POS system is developed with small businesses in mind.
Lightspeed - retail and restaurant point-of-sale, ecommerce, and omnichannel solution
SimpleCONSIGN - Easy to use Web Based POS and Management Consignment Software.
Floreant POS - Floreant POS :: Open Source Point of Sale – Think POS Think Floreant
Shopify - Shopify is a powerful ecommerce platform that includes everything you need to create an online store and sell online. Try it free for 14 days.
A1 Charge Corp - A1 Charge Corp is a leading POS merchant account platform that provides small businesses with the tools they need to accept payments.