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All attendees, sponsors, partners, volunteers and staff at our hackathon are required to agree with the Hack Code of Conduct. Organisers will enforce this code throughout the event. We expect cooperation from all participants to ensure a safe environment for everybody.

We are currently updating our guidelines. Please visit

A team should consist of at least two and a maximum of 8 people.

The teams work with open data as defined in The Open Definition, or with data that will attain this status shortly.

All teams will get links where they can access collections of open data.

The team can also work with their own data sets under the following conditions:

  • The team has made the data that is used.
  • The data are freely and legally available.

The applications developed can be as simple or as complex as desired, the visualizations static or dynamic, interactive or not. All tools are allowed under the following conditions:

  • The entire team has the right to use the tools freely.

The following licensing conditions apply to works created at hackdays:

  1. No transfer of rights: everyone retains the rights to anything he or she has created.
  2. Waiver: No one will exercise any rights of exclusivity with respect to information he brings in, even if he otherwise could exercise such right of exclusivity under the law.
  3. Openness Rule: It is our policy that all participants are required to submit results produced under a recognized open source license (
  4. Courtesy: Give credits. Ask if you can, but by default assume to include all those who have somehow contributed to the project.

We recommend publishing open data on

We recommend publishing source code on

We recommend uploading visualizations to … [SUGGESTIONS WELCOME!]

We request that every project is documented on This documentation will include:

  • Project title, description, working notes
  • Name of the team and all team members
  • Relevant and used data sets and APIs
  • All software, resources and tools used
  • Screenshots or videos of intermediate and complete results
  • Links to live visualization, application, source code, etc.

Each team presents their work to the others at the end of the event or, if unable to present, the documentation you provide will be summarised.

Infrastructure for presentations will be made available.

The presentation may take up to 5 minutes, and is supplemented by a further two minutes for discussion.

A hackday takes at least a day, so that projects can be readily developed on-site (rather than primarily before and after). hackdays are free, the proceeds if any of sponsorship go to the benefit of the association. hackdays are carried out under the responsibility of association members. The Executive Board must be informed of all events.

    In consultation with the event organizing team, well founded exceptions to these rules are possible.

  • information/rules.txt
  • Last modified: 2023/03/07 17:31
  • by loleg