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The free edition CAESES® as well as the pro edition FRIENDSHIP-Framework are available for both Windows and Linux operating systems (note that there is one installer for both editions).


New Users

If you are a new user, just download your free CAESES® version from the given links below and register with your name and email address during the installation process. That's it! 


Getting Started

Do you need help with CAESES®? Then check out the beginner tutorials that are included (see the documentation browser) as well as our 

Community Forum

which is dedicated to CAESES® users!


free download


  • CAESES/FFW 3.1 for 32bit Windows

    Tested on Vista, Win7 and Win8.

  • CAESES/FFW 3.1 for 64bit Windows

    Tested on Vista 64bit, Win7 64bit and Win8 64bit.

  • CAESES/FFW 3.1 for 64bit linux distributions

    Good results expected with Debian Squezze, Ubuntu 10.04, 12.04, Suse Enterprise 10.3+ (like SLES12), RedHat 5.4+ (like RHEL5, RHEL 6, SL 6), some other 2.6er kernel distributions. Please install a proprietary 3D GPU driver on your Linux distribution (OpenGL GLX extension required). You have to have a running DBUS message bus.

    Snapshots and beta releases are posted on this site.
    Older versions of CAESES/FFW can be found




Changes Log

See also our changes log for more detailed version information.

License Information

CAESES® is a free but limited edition and can be used for commercial work. For the pro edition FRIENDSHIP-Framework, we provide different license types depending on the individual situation of the customer. Note that we also offer a free academic pro edition for students! Check out our general license information.

Contact and Support

For general inquiries or suggestions, please do not hesitate to get in touch with us. We provide several contact modes in order to channel your request. In particular, CAESES® users can check out the community forum. If you are a customer of FRIENDSHIP SYSTEMS using the pro edition FRIENDSHIP-Framework, please refer to the Issue Tracker on our website (registration required). For license issues, you can also drop an email to our license team.

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