Alkacon Software - The OpenCms Experts

Support, training, consulting and development

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.

We provide our customers with support, training and consulting services for OpenCms. We are also dedicated to developing first class products and solutions for OpenCms installations.

OpenCms is a complete and powerful open source web content management system. Alkacon Software is the official maintainer and the major contributor for OpenCms.

OpenCms provides powerful features especially suited for medium and large enterprise internet or intranet applications.

OpenCms is a Java and XML based system, completely build from open source components. This means OpenCms be deployed on almost any existing IT infrastructure without high licensing costs.

Alkacon Software offers its customers service, support and extension products for OpenCms, providing an optional layer of security and convenience often required for mission critical OpenCms installations.

Solutions and services from Alkacon Software

  • Alkacon OpenCms Enterprise Extensions (OCEE)

    The Alkacon OpenCms Enterprise Extensions (also called OCEE) are a commercial extension for OpenCms for use in mission critical installations.

  • Alkacon OpenCms Support

    Our OpenCms support provides customers with a convenient way to access the knowledge and experience of the OpenCms core development team.

  • Alkacon OpenCms Training

    The OpenCms training courses from Alkacon Software provide the best possible introduction to OpenCms development, right from the creators of OpenCms.

  • Alkacon OpenCms Consulting and Development

    We are offering our OpenCms consulting and development services to customers working on OpenCms based solutions anywhere in the world.

Alkacon OpenCms Products

  • Get the OCEE Extensions, Professional Support, or OpenCms Training directly from the Experts.

  • Order now

Contact Alkacon

Alkacon News

  • OpenCms 10.5.3 available

    Oct 18, 2017 - OpenCms 10.5.3 is a maintenance release for OpenCms 10.5. This version fixes an issue introduced with the Chrome 61 update that caused problems in the positioning of UI elements. A number of other issues have also been fixed. A new version of Alkacon OCEE is also available.

  • OpenCms 10.5.3 Release Notes

    Oct 18, 2017 - The OpenCms 10.5.3 release notes contain detailed information about the new features and fixes in this version.

  • OpenCms 10.5.2 available

    Jul 12, 2017 - OpenCms 10.5.2 is a maintenance release for OpenCms 10.5. This version fixes a number of issues that have been detected in OpenCms 10.5, and includes several performance and some security enhancements. It also ships with the versatile, Bootstrap based Apollo Template. An updated version of Alkacon OCEE is available as well.

Latest OCEE Release

  • 5.5.3 for OpenCms 10.x

    4.5.7 for OpenCms 9.x

    October 18, 2017

    Alkacon OCEE 5.5.3 brings improvements to the Accelerator Module and the Replicator regarding the replication of access control entries for siblings.

    More information...