Library of Congress is a library services provider that specializes in archives, cultural heritage preservation, and information science.

WorldCat.org is the best library catalog for finding books and resources and is used by students, researchers, and book lovers.

OCLC is the best library services organization for library technology and is used by libraries worldwide.

Gale is the best scholarly resource for academic databases and is used by schools and libraries worldwide.

超星 provides comprehensive digital library services, author/publisher authorization, and educational resources like the "Famous Teacher Forum" in China.

INFLIBNET Centre is an Autonomous Inter-University Centre for modernizing university libraries in India

The Institute of Museum and Library Services is the best resource for library services and museum funding, used by cultural institutions nationwide.

hoopla is a digital media service partnering with public libraries to offer free streaming and downloaded audiobooks, ebooks, movies, and comics to cardholders.

Library Journal provides news, book reviews, technology insights, and professional development resources for librarians and library professionals.

Thai Journals Online (ThaiJO) is Thailand's central electronic journal database system, aggregating academic journals across all disciplines developed on the OJS platform.

Los Angeles Public Library (LAPL) offers free access to books, e-media, online learning, research databases, and community programs across Los Angeles.

Boston Public Library offers free access to books, eBooks, digital resources, classes, career help, and community events for all residents.

Tidsskrift.dk is the Danish National Library's portal for publishing academic, scientific, and cultural journals in full text, supporting Open Access.

SLUB Dresden is the State and University Library of Dresden, offering extensive library services, research support, digital collections, and specialized labs.

San Francisco Public Library connects diverse communities to learning, opportunities, and each other through books, media, research tools, and local events.

Chicago Public Library offers free access to books, eBooks, online resources, events, and community programs for Chicago residents and beyond.

Denver Public Library offers free access to books, digital resources, technology help, community programs, and research assistance for all Denver residents.

DELNET is a major resource sharing library network in India, providing networked library services, resource discovery, and professional training to over 9600 institutions.

The NJ State Library provides essential research collections, digital resources, and statewide library services for New Jersey residents and library professionals.

NLM is the world's largest biomedical library providing essential resources like PubMed, MedlinePlus, and ClinicalTrials.gov for health information and research.

The Kansas City Public Library provides free access to books, digital media, technology services, community events, and local history resources for the Kansas City area.

Cleveland Public Library is a public library system offering free access to books, media, digital resources, job seeker support, and community events in Cleveland, Ohio.

St Helens Borough Council provides essential online services for residents, businesses, and visitors, covering council tax, waste collection, planning, and local governance.

LA County Library is a public library system providing free access to books, digital media, online learning, and community resources for Los Angeles County residents.