Bielfeld Academic Search Engine

BASE provides more than 240 million documents from more than 8,000 content providers.

BASE is operated by Bielefeld University Library.


CORE’s mission is to aggregate all open access research outputs from repositories and journals worldwide and make them available to the public. In this way CORE facilitates free unrestricted access to research for all.

Digital Commons Network

The Digital Commons Network brings together free, full-text, peer reviewed scholarly articles, book chapters, dissertations etc. from hundreds of universities and colleges worldwide.


With Dimensions, you can search across multiple content types, ranging from publications to grants, clinical trials, patents, datasets and policy documents. 

Directory of Open Resources

DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals.


DOGObooks is where kids discover, review and rate books in a fun, safe and interactive environment. All book selections and reviews are moderated prior to being published.


The leading source for current events, news and non-fictional content for Common Core ELA, Science and Social Studies, including thousands of news articles and new original content added daily.

ELEPHIND - historical newspapers

Search a wide range of the world’s online historic newspapers in one place. They aren’t there yet, but more newspapers are added every day.


An innovative open access publishing platform offering rapid publication and open peer review, whilst supporting data deposition and sharing.

Folk Ways

Smithsonian Folkways Recordings is the nonprofit record label of the Smithsonian Institution, the national museum of the United States.


Free Scientific Publications: Life sciences – Health sciences – Physics sciences – Mathematics – Social sciences & Humanities

Getty Publications Virtual Library

Award-winning titles covering the fields of art, photography, archaeology, architecture, conservation, and the humanities for both the general public and specialists.

Inside a Dog

A community hub for bookish teens where they can share their love of reading and books. (Run by the State Library of Victoria, Ausralia)


International Children's Digital Library

A collection of books that represents outstanding historical and contemporary books from throughout the world  so that children can access children’s literature from the world community.

Internet Archive - a.k.a. The Wayback Machine

A digital library of Internet sites and other cultural artifacts in digital form, providing free access to researchers, historians, scholars, the print disabled, and the general public.


Helping you to find free academic articles and books. JURN harnesses all the power of Google, but focusses your search through a hand-crafted and curated index. 

Library of Congress Digital Collections

Access to the largest library in the world, with millions of books, recordings, photographs, newspapers, maps and manuscripts in its collections.

The MET Publications

A portal to The Met’s comprehensive publishing program with over 1,500 titles, including books, online publications, and bulletins and journals from the last five decades.



The ultimate genealogy of popular music genres, including their relations and history with over 200 listed sources and cross examination of many other visual genealogies.

News for Kids

High interest news stories appropriate to for kids and presented in a way that is easy to understand.

The Open Library

Open Library is an open, editable library catalog, building towards a web page for every book ever published.

Open Research Central

A portal through which research in any field can be submitted for formal publication on one of the open research publishing-compliant platforms.

Oxford Business Group Country Reports

A global research and consultancy company producing business intelligence  on more than 35 countries, based on in-country research by experienced analysts.

Use your NIST email address to create your own account and access Country Reports.


Multidisciplinary aggregator of Open Access science journals and papers, connecting authors with readers, boosting dissemination of new discoveries, consolidating academia around open literature.

Public Library of Science (PLOS)

Open Access publisher empowering researchers to accelerate progress in science and medicine by leading a transformation in research communication.

Project Gutenburg

Free epub and Kindle eBooks, including the world’s great literature with a focus on older works for which U.S. copyright has expired.

Purdue Owl - Online Writing Lab

Overview of citation style guides: what a style guide is, why and how style guides are used, and suggestions for exploring style guides across the disciplines.


Quizlet makes simple learning tools that let you study anything. Start learning today with flashcards, games and learning tools.

TheRoyal Society Open Biology Journal

An online journal that includes original, high impact research in cell and developmental biology, molecular and structural biology, biochemistry, neuroscience, immunology, microbiology and genetics.

The Royal Society Open Science Journal

An open journal publishing high-quality original research across the entire range of science on the basis of objective peer-review covering the entire range of science and mathematics.


Over 20,000 articles, posters, reports, theses, educational materials and historical documents submitted by members of the campus community – Indiana University, Purdue University.

Science News

An independent, nonprofit source of accurate information on the latest news of science, medicine and technology. 

Science News For Students

A free online publication dedicated to providing age-appropriate science news to learners, parents and educators.

Science Open

Adiscovery platform for scholars to enhance their research in the open, make an impact, and receive credit for it. 

Smithsonian Libraries and Archives

Resources and services that span scientific and cultural pursuits of humanity, aerospace, anthropology, and art history, business history, botany, cultural history, design, philately, zoology…

Smithsonian Open Access Media

Download, share, and reuse millions of the Smithsonian’s images—copyright free. You have easier access to more than 3 million 2D and 3D digital items.


SSRN´s eLibrary provides 950,733 research papers from 503,172 researchers in more than 55 disciplines.

Stanford Encyclopedia of Philosophy

Organizes scholars from around the world in philosophy and related disciplines to create and maintain an up-to-date reference work.

Stanford University Digital Publishing Initiative

A new ways to visualize, analyze, and interpret data. Authors to develop their concept (in both content and form) and confer the same level of academic credibility on digital projects as print books receive.

Storyline Online

Videos of actors reading books!


TED-Ed is TED’s youth and education initiative sparking and celebrating the ideas of teachers and students around the world. 

United Nations Digital Library

Bibliographic metadata, Index to Proceedings, Index to Speeches, Voting Records, UNBIS Thesaurus, research guides etc.

United Nations iLibrary

Basic facts, reports, collections,statistics etc. as published by the UN.


Systematic knowledge and capabilities immediately computable and accessible to everyone.

World Digital Library

Cultural treasures and significant historical documents including books, manuscripts, maps, newspapers, journals, prints and photographs, sound recordings, and films.

World Fact Book (CIA)

Information on the history, people and society, government, economy, energy, geography, communications, transportation, military, and transnational issues for 267 world entities.