List of the Top 8 Free Java CMS Software in 2025

Enonic is an innovative content platform that prioritizes both editorial adaptability and the freedom for developers. Our goal is to streamline daily operations and minimize obstacles. By offering a fully customizable platform, we enable collaboration between developers and editors to create enhanced solutions that meet diverse needs. This synergy between teams fosters creativity and efficiency in the content creation process.

ButterCMS serves as a versatile blog engine and content management solution that can be seamlessly incorporated into both new and existing web projects within a matter of minutes. Our Content API boasts impressive speed, seamlessly integrates with various tech stacks, and is favored by developers due to the absence of security patches and ongoing maintenance issues. Additionally, marketers appreciate our user-friendly content dashboard, which empowers them to manage every facet of their content, including intricate segments, with ease. This combination of developer-friendly features and marketer-focused tools makes ButterCMS an ideal choice for modern web projects.

A headless CMS designed for enterprise use that is open-source and utilizes Git for version control. This innovative solution allows organizations to manage content efficiently while maintaining flexibility in their development processes.

Flectra boasts a user base exceeding 10,000 and stands out as the rapidly expanding Open Source ERP/CRM software. It offers a versatile, feature-packed, and affordable open-source ERP solution that is both adaptable and modular. This comprehensive system addresses all critical components of business operations, including CRM, Purchasing, Content Management Systems, and Project Management. As a next-generation tool, it revolutionizes the landscape of business management software, providing organizations with the resources they need to thrive. Its growing popularity is a testament to its effectiveness in meeting diverse business needs.

A content management system that is open source provides the ability to create adaptable and modular content frameworks. This type of system enables users to tailor their content organization to meet specific needs and preferences.

Magnolia CMS offers the quickest solution for crafting exceptional digital experiences. Being API-driven, it enables effortless content delivery to any screen or device from anywhere. The platform provides authors and editors with a robust interface that facilitates content personalization and reusability across various touchpoints. Additionally, users can tap into data and content from integrated systems without having to exit the Magnolia environment, enhancing their workflow and efficiency. This seamless integration promotes a more cohesive approach to content management.

Developers can create their own Java applications by leveraging the capabilities of the ηCMS core framework. This system permits alterations to every element of the hosted website, encompassing stylesheets and JavaScript files. With an integrated SCSS compiler, developers benefit from immediate processing of modified .scss files into the site's CSS. Furthermore, the ηCMS interface allows for intuitive editing and compilation of JavaScript scripts using a robust closure compiler. As editors, users can easily change webpage text utilizing visual editing tools that are directly accessible in the live page view. This functionality enables straightforward typing or pasting of new content, alteration of styles for headers, paragraphs, and specific characters, along with the creation of both numbered and bulleted lists. All modifications are automatically stored in the database in real-time. In addition, ηCMS incorporates an advanced traffic routing system, empowering developers to establish complex rules that can direct traffic through multiple pathways. The platform also supports A/B testing on a single page, facilitating the display of diverse content tailored to various user segments. This feature not only improves the overall user experience but also yields critical insights for refining content delivery strategies. Moreover, the ability to monitor the performance of different content variations allows developers to make data-driven decisions for future enhancements.

Presenting solely an RTF-Editor in a pop-up fails to meet our vision of WYSIWYG, as authors need to have meticulous control over various elements like paragraph spacing, line breaks, table sizes, and image dimensions to create visually striking content. The system is designed to rely on tags and server-side JavaScript, eliminating the use of Java within the template code. OpenWGA Developer Studio significantly enhances the software development experience by equipping developers with all the necessary tools for the creation, development, deployment, and sharing of OpenWGA web applications. Featuring a robust array of advanced technologies—including secure cluster architecture, JMX monitoring, SSO via SPNEGO, CMIS, and an integrated REST-API—OpenWGA Java CMS emerges as the premier platform for running essential enterprise applications. Furthermore, the OpenWGA CMS cluster management framework not only ensures secure communication between clusters and efficient distributed task processing but also integrates its own session replication system, which improves resource management for enhanced performance. This holistic approach empowers developers to concentrate on the delivery of high-quality applications without the burden of navigating complex backend systems, thus streamlining their overall workflow.