Webflow Ecommerce - Build custom ecommerce stores visually
Squarify.io - Sync inventory between Square and Shopify.
Swell.is - Customizable, API-first ecommerce platform for innovative brands, startups, and agencies.
Bonsai Payments - Simple invoicing & payments for small businesses and freelancers. Collect instant payments or set up recurring payments. Get paid via credit card or bank deposit in 100+ currencies.
Vendure - Open-source headless e-commerce framework for developers
Shopify Tap & Chip Reader - Mobile POS hardware that connects to the rest of Shopify