Cart66 is described as 'With the Cart66 WordPress e-commerce plugin you can start making money with any WordPress website - even using free themes. Take donations, sell your own music, or have people subscribe to your services. You can sell just about anything with Cart66' and is an app in the Business & Commerce category. There are more than 50 alternatives to Cart66 for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Windows, Linux and SaaS. The best alternative is WooCommerce, which is both free and Open Source. Other great apps like Cart66 are OpenCart (Free, Open Source), Shopify (Paid), Adobe Commerce (Free Personal, Open Source) and Shopping Cart Elite (Paid).
Shopio is a next generation e-Commerce platform that enables small to medium sized businesses (SMBs) to promote and sell their products online at affordable prices without any technical knowledge or software installation.
Zeus Cart is an incredibly stable & richly-interfaced, open source shopping cart and it's a simple E-commerce software package which allows, even a non-technical person to open an online store on the Internet, with minimal efforts.
Create your own online store with Highwire Commerce and start selling today. Highwire provides fully customized storefronts with complete access to HTML & CSS, secure checkout, and easy to use administrative interface.