Legal details

openPetition gemeinnützige GmbH – Platform for citizens initiatives, petitions and campaigns

  • openPetition gGmbH
    Greifswalder Str. 4
    10405 Berlin
  • CEO: Jörg Mitzlaff
  • commercial register: HRB 144054 - Amtsgericht Berlin-Charlottenburg
  • VAT ID: DE284395718

Responsible for content

  • For petition texts, comments and debate contributions the respective authors themselves are responsible according to § 10 Telemediengesetz. If openPetition is informed about unlawful or immoral content, we will remove it within reasonable time.
  • During the term of a petition you ask the author of the petition directly a question. This can be noted on each petition page link: 'Ask the initiator'

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Creative Commons


  • The service is under the ( cc-by-sa ) Creative Commons license. Texts, design, source code (individual modules) and data (anonymously) can be used upon request under this License.
  • license terms:

    • Share — copy and redistribute the material in any medium or format
    • Adapt — remix, transform, and build upon the material
    • Naming - You must name the authorship sufficiently clearly (mention openPetition and linking, include a link to the license ( and indicate whether changes have been made. This information may be provided in any reasonable manner, but not in such a way as to give the impression that the licensor is particularly supportive of you or your use of the work.
    • Share alike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.


  • Carina Czisch

Licences and software used

  • Geocoding data and maps are from OpenStreetMap, NaturalEarthData and Wikipedia.
  • Petition graphs and maps were created using mtChart, QGIS and Highcharts.
  • To display the signatures of a petition on a map is Leaflet with the plugin Leaflet.Canvas marker Layer used.
  • For stuff we use Glide.js .
  • Administrational data (population figure, elected representative, Address, Website) is based on the information given in the infoboxes of the respective article in The Free Encyclopedia Wikipedia.
  • The PDF files and barcodes are created using TCPDF. Barcodes are recognised using zbar.
  • The pages are built with Javascript, PHP and MariaDB.
  • The servers run on nginx under Debian Linux.
  • For monitoring and tracking munin, pingdom and kibana help us.
  • The petitions for the mirrored petitions of the petitions committees were made using the map Bundesrepublik Deutschland.svg from Escondites ( CC BY-SA 2.0 de ) created.
  • There were icons of s used ( s)
  • Image sources to ABSTIMMUNG21: Jan Hagelstein & ABSTIMMUNG21 e.V.

Environment protection

All web servers of openPetition are powered by 100% renewable energies.

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