Open Knowledge Foundation Germany e.V.
Singerstr. 109 | 10179 Berlin

E-mail: [OpenPGP]
Phone: +49 30 97894230
Fax: +49 30 85102320

Register of Associations No: VR 30468 B
VAT number: DE278022128
Court of registration: Amtsgericht Charlottenburg

Technical: Static HTML generated with Jekyll

Exclusion of Liability

Responsible for the context of this website in accordance with § 55 section 2 RStV is the respective author.

Content liability

The contents of our website were created with the utmost care. However, we cannot guarantee the accuracy, completeness and timeliness of the content. As a service provider, we are responsible for our own content on our website in accordance with § 7 para.1 TMG under the general laws. According to § 8 to 10 TMG, we are not obligated to monitor transmitted or stored information or to investigate circumstances that indicate illegal activity. Obligations to remove or block the use of information according to general laws remain unaffected. However, liability in this regard is only possible from the point in time at which a concrete infringement of the law becomes known. If we become aware of such infringements, we will remove this content immediately.

Links liability

Our offer contains links to external websites of third parties, on whose contents we have no influence. Therefore, we cannot assume any liability for these external contents. The respective provider or operator of the pages is always responsible for the content of the linked pages. The linked pages were checked for possible legal violations at the time of linking. Illegal contents were not recognizable at the time of linking. However, a permanent control of the contents of the linked pages is not reasonable without concrete evidence of a violation of the law. If we become aware of any infringements, we will remove such links immediately.


The contents and works on this website created by the website operators are subject to German copyright law. They are protected by copyright with a Creative Commons license. Unless otherwise stated, the contents of this website are licensed under the Creative Commons Attribution 3.0 DE License. Insofar as the content on this website was not created by the operator, the copyrights of third parties are respected. In particular, third-party content is identified as such. Should you nevertheless become aware of a copyright infringement, please inform us accordingly. If we become aware of any infringements, we will remove such content immediately.

Privacy Policy

The Open Knowledge Foundation Deutschland e.V. (hereinafter referred to as the “Open Knowledge Foundation”, “OKF” or “we”) operates the website accessible on the Internet at “bü” or the “Website”) which can be accessed on the Internet at https://bü and the relevant subdirectories (hereinafter "website").

With this data protection declaration, the Open Knowledge Foundation would like to explain to you which data is processed in which form when you visit our website. This also complies with our duty to inform you in accordance with Art. 13 of the General Data Protection Regulation (GDPR).

I. Persons responsible and contact details of the data protection officers

Open Knowledge Foundation Germany e.V.
Data protection officer
Singerstr. 109 | 10179 Berlin

E-mail: [OpenPGP]
Phone: +49 30 97894230
Fax: +49 30 85102320

Our external data protection officer is Beata-Konstanze Hubrig from the law firm

II. Personal data, purposes and legal basis of data processing

1. Personal data

According to the GDPR, personal data means “any information relating to an identified or identifiable natural person (‘data subject’); an identifiable natural person is one who can be identified, directly or indirectly, in particular by reference to an identifier such as a name, an identification number, location data, an online identifier or to one or more factors specific to the physical, physiological, genetic, mental, economic, cultural or social identity of that natural person.”

2. General use of this website

We do not collect and store any personal data in the course of your visit to our website. Notwithstanding the above basic facts, however, the web server of our hoster automatically registers accesses to the websites and in particular your IP address. In addition, our hoster creates so-called log files to maintain system security. This information remains anonymous for us. It is therefore not possible to draw conclusions about a person. The log files contain the following information:

the IP-address
date of access
contents accessed
transmitted information


If you contact us at the email address provided on our website, you will at least provide us with your email address, as well as any other information you may disclose in your email. In order for us to process your request, we need to process this data. The legal basis for data processing is Art. 6 para. 1 lit. a) GDPR.

We use Google as our email provider. In the European Economic Area (EEA) and Switzerland, Google services are provided by Google Ireland Limited, Ireland. Google Ireland Limited is a subsidiary of Google LLC, United States of America (website: Further information & data protection can be found here: The transfer of personal data to third countries takes place depending on the respective Google service and under the application of the various EU standard contractual clauses, if these are offered by Google. More information on this and Google’s responsibility can be found at the following link: A copy of the EU standard contractual clauses can be viewed there.

3. Purposes and legal basis of data processing

The processing of your IP address during the connection setup takes place so that we can provide you with our website. It is based on Art. 6 para. 1 lit. f) GDPR. Our legitimate interest is to provide our website.

Processing in the context of contacting us takes place so that we can process and respond to your inquiry. The legal basis is Art. 6 para. 1 lit. a) GDPR. By contacting us by email, you consent to the data processing.

III. Recipients of the data

Within our organization, the departments that are responsible for processing the requests have access to your data. In addition, we use external service providers if we cannot or cannot reasonably perform services ourselves. These external service providers are primarily providers of IT services and telecommunications services. We have concluded data processing agreements with all service providers.

IV. Storage duration

We store your emails and contacts for as long as it is necessary to process your inquiry and then store them for a period of 3 years in case you contact us again with reference to your original question. We archive business and commercial letters for ten years due to the German Tax Code.

V. Rights of data subjects

The GDPR guarantees you certain rights which you can assert against us - as far as the legal prerequisites are given.

Art. 15 GDPR – Right of access by the data subject: You have the right to obtain from us confirmation as to whether or not personal data concerning you are being processed, and, where that is the case, access to the personal data and the purposes of the processing.

Art. 16 GDPR – Right to rectification: You have the right to obtain from us without undue delay the rectification of inaccurate personal data concerning yourself. Taking into account the purposes of the processing, you have the right to have incomplete personal data completed, including by means of providing a supplementary statement.

Art. 17 GDPR – Right to erasure (‘right to be forgotten’): You have the right to demand that we delete personal data concerning you without delay. Please note here the exception described under IV.

Art. 18 GDPR – Right to restriction of processing: You have the right to obtain from us the restriction of processing.

Art. 20 GDPR – Right to data portability: You have have the right to receive the personal data concerning yourself, which you have provided to us, in a structured, commonly used and machine-readable format and have the right to transmit those data to another controller without hindrance from the controller to which the personal data have been provided, or to have us transmit the data to another controller as far as it is technically possible.

Art. 21 GDPR – Right to object: You have the right to object at any time, for reasons related to your particular situation, to the processing of personal data concerning you which is necessary for a legitimate interest on our part or in the performance of a task carried out in the public interest or in the exercise of official authority.

If you file an objection, we will no longer process your personal data unless we can prove compelling reasons for the processing worthy of protection which outweigh your interests, rights and freedoms, or the processing serves the assertion, exercise or defence of legal claims.

If we process your personal data in order to conduct direct advertising, you have the right to object to the processing at any time. If you object to the processing for purposes of direct marketing, we will no longer process your personal data for these purposes.

Art. 77 DSGVO in relation to § 19 Federal Data Protection Act (BDSG) – Right to lodge a complaint with a supervisory authority: You have the right to lodge a complaint at any time with a supervisory authority, in particular in the Member State where you are residing, at your place of work or at the place where the infringement is alleged, if you consider that the processing of your personal data is contrary to applicable law.

VI. Existence of automated decision making (including profiling)

We do not use automated decision making.

VII. Internet specific data processing

During the use of our Internet pages, we automatically record and evaluate technical access data. For this purpose we use the tool “Matomo” (formerly “Piwik”), an open source program for web analytics, which evaluates statistical parameters for the use of our website. However, this data cannot be assigned to a specific person; the individual user remains anonymous. Further information about “Matomo” can be found on the website

This data includes, for example
The IP address shortened by the last two octets,
Information about the Internet browser and operating system used,
the domain name of the website from which a visit to our website is made,
the average time spent on our website, and
the pages called in our website.

In addition, by removing the check mark on this site, we can prevent Matomo from counting your visit at all. In this case, a cookie will be set to indicate to us that you have objected to its use.

Please note that the respective settings regarding cookies are only effective for your currently used device and your currently used browser. If you are using a different device or browser, you will usually have to change the settings again. We also support the “Do not Track” function of your browser. This allows you to actively tell us via your browser settings whether you wish your activities to be recorded or not. If you have activated “Do not Track”, your activities will not be recorded.

The legal basis for the use of Matomo can be found in Art. 6 para. 1 lit. f) GDPR. Our justified interest consists in the fact that we evaluate the use of our Website for their improvement and optimization. The data collected in this way is stored for a period of 24 months.

VIII. If you have any comments or questions

Protection and security of your data are very important to us. Your questions and comments about privacy are welcome, feel free to email us at

Berlin, May 2023