Invenio - Invenio is a free, open-source software to run a digital library or document repository on the web.
Vue Storefront - Open Source PWA for any eCommerce
Greenstone Digital Library - Greenstone is a suite of software tools for building and distributing digital library collections...
Square Online Checkout - Create easy pay links for whatever you're selling and start accepting payments everywhere online.
Koha - Koha is the first free and open source software library automation package (ILS).
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.