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

  • OpenCms 7.5.3 ready for download

    Alkacon and OpenCms logo OpenCms version 7.5.3 is now ready and available for download. With OpenCms 7.5.3, a number of issues that persisted in the 7.5.2 release have been fixed. Some new features have been added as well. more...
  • Alkacon OCEE 2.1.3 for OpenCms available

    Alkacon OpenCms Enterprise Extensions / OCEE Alkacon OCEE for OpenCms offers Support for LDAP, Clustering, Replication and improves OpenCms general performance. Alkacon OCEE release 2.1.3 is a maintenance update that fixes a number of issues. more...
  • Photos and presentations from OpenCms Days 2009 now available

    The presentation slides for the OpenCms Days 2009 conference sessions are now available for download. There is also an image gallery available with photos from the conference. more...
  • Book about OpenCms 7 now in stores

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

    Do you want to take a quick test drive of OpenCms to get a first impression of its features? No problem: Try out the 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 7.5.3! With OpenCms 7.5.3, a number of issues that persisted in the 7.5.2 release have been fixed. Some new features have been added as well.
    Size: 50791 KB

    Click here to download

Upgrade OpenCms

  • Update your existing OpenCms installation to version 7.5.3 with the easy to use upgrade wizard.
    Size: 51642 KB

    Click here to download

Latest News

  • OpenCms 7.5.3 ready for download

    Aug 18, 2010 - OpenCms version 7.5.3 is now ready and available for download. With OpenCms 7.5.3, a number of issues that persisted in the 7.5.2 release have been fixed. Some new features have been added as well.

  • Alkacon OCEE 2.1.3 for OpenCms available

    Aug 18, 2010 - Alkacon OCEE for OpenCms offers Support for LDAP, Clustering, Replication and improves OpenCms general performance. Alkacon OCEE release 2.1.3 is a maintenance update that fixes a number of issues.

  • OpenCms 7.5.3 release notes

    Aug 18, 2010 - The OpenCms 7.5.3 release notes contain detailed information about the fixes and changes in this release.

  • Update of Alkacon OCEE for OpenCms released

    Jan 21, 2010 - Alkacon OCEE for OpenCms offers Support for LDAP, Clustering, Replication and improves the system performance. This OCEE release 2.1.2 is a maintenance update that fixes a number of issues.

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...