Zen Cart is an open-source e-commerce software and online store management system that allows businesses to set up and manage their online stores effectively.

Umbraco CMS is an open-source content management system (CMS) built on the Microsoft .NET framework. It provides a flexible and user-friendly platform for creating and managing websites, web applications, and digital content.

PrestaShop is a popular open-source e-commerce platform that enables businesses to create and manage online stores. It provides a comprehensive set of features and a user-friendly interface.

Magento is a widely used open-source e-commerce platform that empowers businesses to build and manage online stores. It offers a robust set of features and flexibility

ProcessWire aims to provide a flexible and powerful platform for building and managing websites of various sizes and complexities , ProcessWire has gained popularity among developers and users who value its flexibility, ease of use, and ability to adapt to different project requirements.

Grav is an open-source flat-file content management system (CMS) built with PHP. It was developed by RocketTheme and was first released in 2015. Grav is designed to be lightweight, fast, and easy to use, offering a modern approach to content management.