EUSurvey is also available as an open-source software version. It is supplied free of charge under the EUPL (European Union Public Licence). It has been developed by the Commission's Directorate General for Informatics under the ISA² (Interoperability Solutions for European Public Administrations) programme.
EUSurvey's open-source software can be installed anywhere as a stand-alone application.
The latest version is available for download on GitHub here: