DBnomics is a database of macro-economic data aggregated from a great number of world-wide providers (see the complete list).
Its usage is free of charge, its source code is licensed under the GNU Affero GPL v3+, and data is redistributed freely under the same conditions as the original provider.
We are building this documentation. It is open-source so you can contribute by clicking on the "pencil" icons next to page titles, or by opening the "GitLab" link in the nav-bar.
See also our technical wiki