EBSCO Information Services is a major US-based provider of library resources and information services. EBSCO's partnership with The Wikipedia Library includes access to 25 databases.

OpenEdition is a publisher of books and journals in the social sciences and humanities. While most of OpenEdition's content is Open Access, they have donated access to Freemium for Journals, an additional collection of 140 usually paywalled journals.

Retrospective Index to Music Periodicals (RIPM) is the largest online collection of rare music periodicals published between 1760 and 1966.