Free Databases
Two major databases that do not require passwords are the PubMed database from the U.S. National Library of Medicine, and the Library of Congress. Many of the general library catalogs are also unrestricted. Additional connections may be available at the EndNote online site. See Download EndNote Connection Files.
Databases Not Requiring an Account
| Description | Information Provider/Category |
| PubMed (MEDLINE and pre-MEDLINE) references from the U.S. National Library of Medicine |
U.S. National Library of Medicine (NLM) |
| Most university library catalogs | Library Catalogs |
| Books at the U.S. Library of Congress | Library of Congress |
| Crossref | Publishers International Linking Association, Inc. |