Best Free Java CMS Software of 2025

Enonic is a modern content platform that does not compromise editorial flexibility and developer freedom. We strive to remove friction in everyday operations. With our fully customisable platform, developers and editors can work together to build better solutions.

ButterCMS is a blog engine and content management system that can be integrated into any existing or new web project in minutes. Our Content API is lightning fast, plugs into any tech stack, and developers love us because there are no security patches or maintenance headaches. Marketers love us because we have a simple, intuitive content dashboard that allows them to control all aspects of their content, even complex segments.

An open-source, Git-based, headless+ CMS for the enterprise.

Flectra has more than 10,000 users and is the fastest-growing Open Source ERP/CRM software. Flexible, feature-rich and cost-effective open-source ERP systems that are flexible and modular. They cover all essential aspects such as CRM, Purchase, CMS and Project Management. The next generation of business management software.

Open source content management system that allows for flexible and composable content structures.

Magnolia CMS is the fastest way for you to create world-class digital experiences. Magnolia CMS is API-based, which allows you to seamlessly deliver content to any device or screen from any device. Authors and editors have a powerful interface that allows them to personalize and re-use content across touchpoints. They can also leverage data and content from connected systems without ever leaving Magnolia.

Developers have the opportunity to build their own Java applications utilizing the ηCMS core framework. This platform enables modifications to any aspect of the hosted website, including stylesheets and JavaScript files. The integrated SCSS compiler allows for real-time processing of modified .scss files into the website's CSS. Additionally, developers can seamlessly edit and compile JavaScript scripts using the powerful closure compiler directly within the ηCMS interface. When logged in as an editor, users can effortlessly modify the text of a webpage using visual editing tools that appear directly in the original page view. This means you can easily type or paste new text, adjust styles for headers, paragraphs, and individual characters, as well as create numbered or bulleted lists. All changes are automatically saved to the database in real-time. Furthermore, ηCMS features a sophisticated traffic routing mechanism, enabling developers to create intricate rules that can divert traffic into multiple streams. You also have the flexibility to implement A/B testing within a single page, allowing it to display varying content tailored to different user segments. This capability not only enhances user experience but also provides valuable insights for optimizing content delivery.

Displaying only an RTF-Editor in a pop-up does not align with our vision of WYSIWYG; authors require precise control over aspects such as paragraph lengths, line breaks, table dimensions, and image sizes to produce visually appealing content. The system should utilize tags and server-side JavaScript, devoid of any Java within template code. OpenWGA Developer Studio enhances the software development journey by providing all essential tools for the creation, development, deployment, and sharing of OpenWGA web applications. With a suite of advanced technologies—including secure cluster architecture, JMX monitoring, SSO via SPNEGO, CMIS, and an integrated REST-API—OpenWGA Java CMS stands out as the ideal platform for executing business-critical enterprise applications. Additionally, the OpenWGA CMS cluster management framework facilitates not only secure inter-cluster communication and distributed task execution but also incorporates its own session replication system, optimizing resource management for better performance. This comprehensive approach ensures that developers can focus on delivering high-quality applications without the overhead of managing complex backend processes.