OpenCms - Professional Content Management

Easy to Use, Open Source, Reliable

OpenCms from Alkacon Software is an enterprise-ready open source web content management system (CMS) based on Java and XML. OpenCms is platform independent - Runs on: Windows, Linux, Unix, Solaris, Mac OS. OpenCms supports all top databases: MySQL, Oracle, PostgreSQL, MS SQL. OpenCms works with the most popular Application Servers: Tomcat, JBoss, BEA, Websphere, Glassfish and Resin Professional. OpenCms has a browser based GUI, compatible with all top browsers: Internet Explorer, Mozilla Firefox, Chrome, Safari, Opera. Download OpenCms, the open source enterprise level website content management system, for free.

OpenCms from 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 Days 2014 - Download the conference program PDF

    Download the conference program PDF for OpenCms Days 2014. Get impressions of the great atmosphere at last years` event and take the chance to register directly via a link in the PDF. more...
  • Try the OpenCms Docker image

    OpenCms and Docker The official OpenCms image in the Docker registry provides a quick way to evaluate and test OpenCms. Docker is an open platform for distributed applications with a very fast rising popularity. more...
  • Alkacon OpenCms Partner Program Launched

    Alkacon partners have a proven record of successful OpenCms projects and help their customers to efficiently implement OpenCms projects. more...
  • Alkacon OCEE 4.0.0 / 3.5.3 released

    Alkacon OpenCms Enterprise Extensions / OCEE Alkacon OCEE is a commercial extension for OpenCms that offers Support for LDAP, Clustering, Replication and improved performance. Version 4.0.0 is required for the new OpenCms version 9.0. This release adds support for the site configuration tool in the Cluster Manager. Also available is OCEE version 3.5.3 for OpenCms 8.5 and 8.0. more...

Download OpenCms

  • OpenCms 9.0.1 is available! This version is a maintenance update for OpenCms 9 that fixes a number of issues and adds some functional enhancements. Download OpenCms 9.0.1 for free.
    Size:125177KB

    Click here to download

Upgrade OpenCms

  • Update your existing OpenCms installation to version 9.0.1 with the easy to use upgrade wizard.
    Size:97654KB

    Click here to download

Try the OpenCms Live Demo

Latest News

  • OpenCms Days 2014 - Download the conference program PDF

    Oct 6, 2014 - Download the conference program PDF for OpenCms Days 2014. Get impressions of the great atmosphere at last years` event and take the chance to register directly via a link in the PDF.

  • Try the OpenCms Docker image

    Oct 2, 2014 - The official OpenCms image in the Docker registry provides a quick way to evaluate and test OpenCms. Docker is an open platform for distributed applications with a very fast rising popularity.

  • Conference program for OpenCms Days 2014 published

    Sep 8, 2014 - Check out the program for OpenCms Days 2014. The conference will take place November 3 to 4, 2014 in Cologne, Germany. A great opportunity for OpenCms users from all around the world to meet and exchange experiences and success stories.

  • OpenCms Days 2014 - Early Bird Registration extended

    Aug 28, 2014 - The Early Bird Registration is extended for one more week. The conference will take place November 3-4, 2014 in Cologne, Germany.

OpenCms Days 2014

  • OpenCms Days 2014 Conference and Expo

    OpenCms Days 2014 will take place  Monday, November 3 to Tuesday, November 4 in Cologne, Germany.

    Highlight of the international user conference and expo will be the release of  OpenCms 9.5. OpenCms Days will be the perfect opportunity to exchange experiences around OpenCms with high profile participants and speakers from all over the world.

    Visit this 2 day conference and expo to meet and mingle with leading OpenCms experts and other OpenCms users.

    OpenCms Days 2014 is targeted towards an international audience. The language spoken at the event and used for all presentations is English.

    More information...

Take the guided tour

Subscribe to the mailing list

  • The opencms-dev mailing list is the place for all questions, comments and suggestions for OpenCms and the main forum of the OpenCms community.

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