The Europeana Blacklight Ruby SDK by Europeana allows developers to use the Euoropeana API as a data source for Blacklight, a discovery platform framework designed for institutions that host digital collections. This SDK is made available under the European Union Public Licence v. 1.1 and comes with a Quick Start guide.
Business Profiles, online database of business registration information, provides access to its massive database via the Business Profiles API. The database contains business registrations (e.g. corporations, limited liability companies, partnerships, etc.) and additional data on shareholders, directors, public filings, and more.