ThreeFold is a peer-to-peer open-source Internet platform that connects users directly with local Internet capacity provided by farmers. No intermediaries such as centralized servers
They work under the Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.
it says everywhere that their material is OS but I can't seem to bae able to find it.
Create open-source frameworks for platform design and entrepreneurial organization development: we support a global community of organizations, institutions, and individuals through workshops, training, and consulting services.
"We are looking to build a citizen network, an air quality map that will allow us to know what we are breathing and how we can improve life quality. With the data collected we could independently validate official air quality numbers, because what can be measured can be improved. "