CKAN (Comprehensive Knowledge Archive Network) is the leading open-source data portal software globally, powering hundreds of government and organizational open data initiatives. Developed and maintained by the Open Knowledge Foundation, CKAN enables organizations to publish, share, and discover datasets through standardized data catalogs. It provides the technical infrastructure that allows governments and institutions to fulfill open data commitments and support data-driven decision-making across sectors.
CKAN powers major government data portals including data.gov (United States), open.canada.ca/data (Canada), and data.humdata.org (humanitarian data). The platform is designed for interoperability, supporting standard metadata formats and enabling federated search across multiple catalogs worldwide.