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  • Build an app and change Warsaw!

  • Meet the winners!


  • Define a social issue
    and use public open data

If you are interested in the competition and would like to know more about the project go to project website, contact us via social media channels or write to us at 

Apps for Warsaw is a local competition for the best city apps build upon Warsaw publically available open data. We want to promote open data and engage people in creating social technology tools for their city.

From public art guides to bus schedules, bike paths to budget information, these apps can make cities safer, governments more transparent and urban denizens more informed. It's a win-win for all.

Welcome to Dane po warszawsku

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