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This is the archive site of Global Sustainability Jam 2011-2018. From 2019 on please visit


App for exchange everything you do not need

App to conect people with somtehing to exchange. For example if you have 1 ton of stone and you do not need it anymore, you can sign up in the app and maybe someone needs these to make something.

The idea is that everytinh is useful and it is not necesary to throw it away. We only need some imagination...

Submission files

Team members

Credits and attribution

Jose Souto, Ana Somoza, Loli Docampo, Paula

Creative Commons Licence