The digital participation system DIPAS, which was developed in Hamburg, has been available as open source software for subsequent use and joint further development since the end of February 2021.

DIPAS was developed as part of a three-year research and development project by the Hamburg Authority for Urban Development and Housing (BSW), the State Office for Geoinformation and Surveying (LGV), and the CityScienceLab (CSL) of HafenCity University, and was released as open source software in February 2021 during a conference to mark the end of the project. The system for informal citizen participation procedures was developed step by step and with several test loops in real participation procedures between 2017 and 2020 and evaluated during the project.

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