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dat data


Dat builds open source tools to unlock the potential of important datasets in science, journalism and government.

Founded: 2013 by Max Ogden, Karissa Rae McKelvey

  • Program Area

    Health & Healthcare, Education, Environment, Food & Agriculture, Arts & Culture, Human Rights, Poverty Alleviation & Economic Development, Public Service & Civic Engagement
  • Location of Impact

  • Headquarters Location

    Oakland , California, United States
  • Product Platforms

    Web, Open Source
  • Budget

    $500,000 to $1,000,000
  • Founder Demographics


Dat is a grant-funded, open-source, decentralized data sharing tool for efficiently versioning and syncing changes to data. Built in Node.js, Dat can be used to version data locally, or to share and sync data over the internet. Dat includes an optional peer-to-peer distribution system, meaning that the more widely that a dataset is shared, the faster it is for users to retrieve or sync a copy, and the more redundant that the dataset’s availability becomes. By building tools to build and share data pipelines, Dat aims to bring to data a style of collaboration similar to what Git brings to source code, while bringing a style of sharing similar to what Dropbox brings to file generally.

Funders and Awards

The Shuttleworth Foundation, The John S. and James L. Knight Foundation, The Alfred P. Sloan Foundation