OpenCms Github repository

The complete OpenCms source code is accessible at the web-based hosting service Github. Github is based on the popular distributed revision control system (DRCS) Git. In case you do not know what Github is, check out the Github website for further information.

You will always find the latest source code version of OpenCms in our Github repository. You can check out this source code and compile OpenCms for yourself as described on the Core Build page.

Please note that Github may contain new code that has not fully been tested yet and thus might cause problems. In case you want to use OpenCms in a production environment, we recommend that you use the latest binary release, available in the Download area.

Git/EGit client configuration

The easiest way to access the OpenCms source code is to clone the OpenCms repository at Github to your local hard drive.


If you use Eclipse as IDE, there is a plugin called EGit available from Use the Eclipse Update manager to install this plugin.

After installation open the Git Repository Explorer Perspective and click the button "Clone a Git Repository...".



Repository Path: /alkacon/opencms-core

Protocol: git

EGit requires Eclipse Version 3.5 or later.


Alternatively you can install Git following the instructions at >Beginner>"Set up Git".

Use this command to clone the OpenCms Repository to your local system

git clone git://

A Git reference is available at

Please note: If you intend to build OpenCms from the sources, you will need the required libraries (*.jar files). These are included in the OpenCms source distribution. Please consult the Core build page for full instructions how to build OpenCms from source.

Github web interface

You can also browse the OpenCms repository at Github and download individual source code files from

Latest News

  • Alkacon OCEE 5.5.0 for OpenCms 10.5.0 available

    Dec 9, 2016 - OCEE 5.5.0 supports OpenCms 10.5.0 and brings seveal improvements to the LDAP Connector. It also adds more shell commands for remote cluster administration, and fixes some issues. Updated OCEE packages for 10.0, 9.x and 8.x based OpenCms installations are also available.

  • Introducing OpenCms 10.5

    Nov 30, 2016 - OpenCms 10.5 focuses on site localization, adding tools for assisted translation of pages and sitemaps. Many usability improvements have been made for the Page Editor and the Explorer. OpenCms 10.5 also ships a much improved version of the Apollo Template. Based on Bootstrap, the Apollo Template is fully customizable without coding.

  • OpenCms 10.5 Release Notes

    Nov 30, 2016 - The OpenCms 10.5 release notes contain detailed information about the new features and fixes in this version.

  • OpenCms Docker image

    Nov 30, 2016 - Test OpenCms 10.5 using the official image from the Docker hub registry - the fastest way to evaluate and test OpenCms.

Try the OpenCms Live Demo