CKAN is a powerful data management system that makes data accessible – by providing tools to streamline publishing, sharing, finding and using data.
CKAN is aimed at data publishers (national and regional governments, companies and organizations) wanting to make their data open and available.
CKAN home: http://ckan.org
More info about CKAN: http://ckan.org/developers/about-ckan
Original source code at github: https://github.com/okfn
