This section provides Information about how to participate in the OpenCms development process and technical information about using OpenCms.
If you plan to install OpenCms for the first time, you should read the Installation overview and the following pages in order to obtain a proper setup of the system - it's very simple in a standard environment based on Tomcat.
For building a web site managed by OpenCms, you only need a running instance of the system and some knowledge how to build OpenCms templates. For detailed information, please download the OpenCms documentation.
As experienced Java Developer, you might want to build OpenCms from the sources. Read the Core build instructions and dig into the source code.
If you want to contribute to the OpenCms project and take part in the further development of the system, read How to contribute and provide the OpenCms community with examples, new modules and improved documentation!
To support the community and the further development, we also provide a mailing list, a bug tracking system and a Github repository for developers to obtain detailed information and to access the latest version of the source code.
Oct 2, 2023 - OpenCms 16 brings the new app "Unused contents" that allows to find and delete content that is not actively used on any container page. It is now possible to select between several individual detail pages in the same website based on categories of the detail content. It can now be enforced that all content managers must set a new password after the next login. The default Mercury template brings several new features, e.g. the "Image tile display" formatter for the "Tabs / accordion" element.
Oct 2, 2023 - The OpenCms 16 release notes contain detailed information about the new features and fixes in this version.
Oct 2, 2023 - Alkacon OCEE 16 is the latest OCEE release for OpenCms 16. This version fixes an issue where deleting a user/group didn't flush the ACL cache.
Apr 25, 2023 - OpenCms 15 provides role-based control to restrict who is allowed to update the sitemap configuration, including an editor for modifying selected sitemap attributes by any content manager. The new launchpad app "Person data search" reveals personal user data stored in the VFS. The Mercury template adds more than 1800 optional icons from the Bootstrap collection and numerous further enhancements.
Our guided tour shows you the great features OpenCms offers.
Do you want to take a quick test drive of OpenCms to get an impression of its great features? Try out the OpenCms Live Demo website available at http://demo.opencms.org
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