OpenCms - Professional Content Management

Easy to Use, Open Source, Reliable

OpenCms, easy to use, professional open source content management / CMS

OpenCms from Alkacon Software is a professional, easy to use website content management system. OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.

The fully browser based user interface features configurable editors for structured content with well defined fields. Alternatively, content can be created using an integrated WYSIWYG editor similar to well known office applications. A sophisticated template engine enforces a site-wide corporate layout and W3C standard compliance for all content.

OpenCms is based on Java and XML technology. It can be deployed in an open source environment (e.g. Linux, Apache, Tomcat, MySQL) as well as on commercial components (e.g.  Windows NT, IIS, BEA Weblogic, Oracle).

As true open source software, OpenCms is free of licensing costs.

OpenCms Headlines

  • Summary of the first OpenCms development Sprint

    The first OpenCms Sprint was held September 9-10, 2008 in the KOMED convention center in Cologne, Germany. A total of 10 developers attended the Sprint. Results and Proceedings of the Sprint are now available for download. more...
  • Alkacon OCEE 2.1 substantially extends OpenCms functionality

    Alkacon OpenCms Enterprise Extensions / OCEE OCEE for OpenCms offers Support for LDAP, Clustering, Replication and improved performance. The latest OCEE release version 2.1 is a major update that introduces a number of new features for OpenCms 7. more...
  • OpenCms Days 2008 presentations and photos available

    The presentation slides from the OpenCms Days 2008 sessions are now available for download. There is also an image gallery available with photos from the conference. more...
  • New book for OpenCms 7 to be published in May

    Cover of the book 'OpenCms 7 Development' Titled "OpenCms 7 Development", a new book about OpenCms 7 is to be available in stores in May. The book has been written by Dan Liliedahl and will be published by Packt Publishing. The book is targeted at developers. more...
  • OpenCms Live Demo Website online

    Do you want to take a quick test drive of OpenCms to get a first impression of its features? No problem: Try out the new OpenCms live demo website. The live demo website is intended for users that want to get a quick overview of the features and the "look and feel" of OpenCms, without the requirement of doing a local installation first. more...

Try the OpenCms Live Demo

Download OpenCms

  • Get the latest stable release of OpenCms - version 7.0.5! Improvements include full link management, WebDAV support, and much more.
    Size: 46165 KB

    Click here to download

Upgrade OpenCms

  • Update your existing OpenCms installation to version 7.0.5 with the easy to use upgrade wizard.
    Size: 47083 KB

    Click here to download

Latest News

  • Summary of the first OpenCms development Sprint

    Sep 12, 2008 - The first OpenCms Sprint was held September 9-10, 2008 in the KOMED convention center in Cologne, Germany. A total of 10 developers attended the Sprint. Results and Proceedings of the Sprint are now available for download.

  • Alkacon OCEE 2.1 substantially extends OpenCms functionality

    Aug 29, 2008 - OCEE for OpenCms offers Support for LDAP, Clustering, Replication and improved performance. The latest OCEE release version 2.1 is a major update that introduces a number of new features for OpenCms 7.

  • Alkacon OAMP Comments module available

    Aug 28, 2008 - The next open source module in the Alkacon OAMP series has been released. The OAMP Comments module allows to add highly configurable blog like comment options to all template based pages in OpenCms.

  • First OpenCms Development Sprint in Cologne, Germany

    Jul 21, 2008 - Our very first OpenCms development sprint event will happen September 9 to 10, 2008 in Cologne, Germany. Sprints are a gathering of OpenCms developers who want to activly shape the future of OpenCms.

Take the guided tour

Where to start?

  • Support is available

    Professional level support for OpenCms is available from Alkacon Software and a number of companies all around the world.

  • The OpenCms mailing list

    The opencms-dev mailing list is the place for questions and comments regarding OpenCms.

  • Get involved

    Check out how you can participate in the OpenCms development.

  • OpenCms Source Code

    The latest OpenCms source code is always available in our CVS repository.

Alkacon OCEE

  • Alkacon Software - The OpenCms Experts

    The Alkacon OpenCms Enterprise Extensions (also called OCEE) are a commercial extension for OpenCms. Alkacon OCEE adds features to OpenCms that are often required for running OpenCms in a medium or large Enterprise, where data consistency, security and failover are highly important.

    Learn more...