Frenzy vs Magento: What are the differences?
Frenzy: Sell to the most loyal customers in a new way (by Shopify). Frenzy is built on Shopify’s highly scalable platform so you can sleep easy knowing your customers will always have a fast, enjoyable experience. Whether it’s a big flash sale, Black Friday or just the normal high order volume of your successful store, we want your business to succeed; Magento: Flexible eCommerce solutions, a vibrant extensions marketplace and an open global ecosystem. Magento Community Edition is perfect if you’re a developer who wants to build your own solution with flexible eCommerce technology. You can modify the core code and add a wide variety of features and functionality.
Frenzy and Magento can be categorized as "Ecommerce" tools.
Magento is an open source tool with 7.62K GitHub stars and 6.53K GitHub forks. Here's a link to Magento's open source repository on GitHub.