Best Java CMS Software for Freelancers

Contentstack is an AI-powered digital experience platform that helps businesses create, manage, personalize, and deliver content across websites, mobile applications, and other digital channels. The platform combines a headless content management system (CMS), customer data management, personalization, and autonomous AI agents within a unified environment. Its Content Cloud provides API-first content management, visual editing, digital asset management, and front-end hosting for building and publishing digital experiences. Data Cloud unifies customer information and enables real-time audience segmentation, behavioral analytics, and personalized content delivery. Contentstack Agent OS provides AI agents that assist with content operations, workflow automation, and digital experience optimization. The platform also includes AI search visibility monitoring, developer APIs, third-party integrations, and enterprise governance tools for managing digital experiences at scale.

The Fastest Growing Open Source ERP & CRM Software With over 10,000 users worldwide, Flectra is the fastest-growing open-source ERP and CRM solution, trusted by businesses of all sizes. Our platform is designed to be flexible, feature-rich, and cost-effective, catering to a wide range of business needs. Built with a powerful modular design, Flectra covers every essential aspect of your business, including CRM, Purchase, CMS, Project Management, Sales, Inventory, Point of Sale, Helpdesk, Accounting, Human Resources, Manufacturing, and Marketing Automation. Our mission is to provide businesses with the tools they need to succeed in a competitive marketplace. Flectra’s customizable modules seamlessly integrate to offer a holistic, next-generation business management system that adapts to your unique processes. Experience the future of business management with Flectra—where innovation meets efficiency.

Open source content management system with a flexible, composable content structure.

Developers can create their own Java projects based on ηCMS core framework. ηCMS provides the ability to edit any part of hosted web site including stylesheets and javascript code. Embedded SCSS compiler provides you with instant processing of edited .scss files to the resulting website CSS. Developer can edit and process js scripts with awesome closure compiler directly in ηCMS UI. When logged in as editor you can easy edit page's text with visual editor tools directly within the original page view. You can just type or paste copied text, change styles of headers, paragraphs and single character, make numbered/bulleted lists etc. System will instantly save all your changes to the database. ηCMS has smart mechanism of traffic routing – you can write as complicated rules as you want and split with them all traffic to any numbers of streams. You can set A/B (or A/B/C/D or more) testing inside one page and make it show different content for different user groups.

Showing just an RTF-Editor in a popup window is not how we understand WYSIWYG. Authors need exact control over paragraph length and line breaks, table widths and image sizes to create great-looking content. Just Tags and server-side Javascript - no java inside any template code. OpenWGA Developer Studio supports the software development process by delivering all necessary tools to create, develop, deploy and share OpenWGA web applications. A set of advanced technologies like its secure cluster architecture, JMX monitoring, SSO via SPNEGO, CMIS and the integrated REST-API makes OpenWGA Java CMS the optimal platform to run business critical enterprise applications. The OpenWGA CMS cluster management framework does not only support secure cluster communication and distributed task execution. It also comes with its own integrated session replication with optimized resource handling.

Our support options provide a convenient way to access the knowledge and experience of the team from Alkacon that is responsible for the OpenCms core development. Incident based support is available for customers with only a limited number of questions about OpenCms. Incident based support is available in pre-purchased packages of 10 incidents. For both premium and incident support offerings, our standard OpenCms support terms and conditions apply. Should your support requirements be different, we can also offer you an individual OpenCms consulting agreement. During the phone call, you can ask several OpenCms related questions, which our answering consultant will try to answer to the best of his abilities.