There are several popular open-source Content Management System (CMS) platforms available, which allow users to create and manage websites and digital content easily.

Here are some of the most well-known open-source CMS platforms:

1. WordPress: WordPress is the most widely used open-source CMS globally, powering a significant portion of the internet. It is known for its user-friendly interface, extensive plugin ecosystem, and a large community of developers and users. WordPress is highly versatile and can be used for various types of websites, from simple blogs to complex e-commerce stores.

   WordPress Features & Benefits

2. Joomla: Joomla is another popular open-source CMS that offers a good balance between ease of use and advanced features. It is suitable for building robust websites, online forums, e-commerce sites, and more. Joomla has a strong community and a vast collection of extensions and templates.

   Joomla CMS Overview

3. Drupal: Drupal is a powerful and flexible open-source CMS favored by developers for its scalability and customization options. It is suitable for building complex and high-traffic websites, including large enterprise sites and web applications. Drupal has a steeper learning curve compared to WordPress and Joomla.

   Key features of Drupal CMS

4. TYPO3: TYPO3 is an enterprise-level open-source CMS that is well-regarded for its multilingual capabilities and support for large-scale websites and web applications. It offers a lot of flexibility and can handle complex content structures and workflows.

   TYPO3 CMS Features

5. Magento: While Magento is primarily known as an e-commerce platform, it is also an open-source CMS that focuses on building online stores. It provides robust e-commerce features and is suitable for businesses looking to create feature-rich online shops.

   Magento Features & Benefits

6. Liferay: Liferay is an open-source enterprise portal and CMS platform. It is designed for building intranets, extranets, and collaboration platforms for large organizations.

   Liferay Features & Benefits

7. Ghost: Ghost is an open-source CMS that specializes in blogging. It offers a simple and clean writing experience, making it a preferred choice for bloggers and content creators.

   Ghost Features & Benefits

8. SilverStripe: SilverStripe is an open-source CMS and framework that allows developers to create customized websites and applications. It offers a user-friendly content editing experience for non-technical users.

   SilverStripe Features & Benefits

These open-source CMS platforms provide various features, flexibility, and community support. The choice of CMS will depend on your specific website requirements, technical expertise, scalability needs, and long-term goals. Before selecting a CMS, it's essential to evaluate the platform's strengths, weaknesses, and how well it aligns with your project's objectives.