Open Access Databases: S

"The SAO/NASA Astrophysics Data System (ADS) is a digital library portal for researchers in astronomy and physics, operated by the Smithsonian Astrophysical Observatory (SAO) under a NASA grant.

Please note that all abstracts and articles in the ADS are copyrighted by the publisher, and their use is free for personal use only. "

International collection of over 1,000 open access eJournals.

"Science.gov searches over 60 databases and over 2,200 scientific websites to provide users with access to more than 200 million pages of authoritative federal science information including research and development results."

"Highlights leading-edge research from the U.S. Department of Energy as well as the European Organization for Nuclear Research (CERN). Using innovative, state-of-the-art audio indexing and speech recognition technology from Microsoft Research, ScienceCinema allows users to search for specific words and phrases spoken within video files. Simply enter a term in the box and start exploring!"

"ScienceOpen is exploring new ways to open up information for the scholarly community. Data available on research articles are analyzed, and our analysis links articles via authors, citations, keywords, journals and more. Users can further add to the context of an article with comments, recommendations or post-publication peer reviews. Researcher-led topical collections also provide opportunities for discovery and communication. " Search over 74 million publications.

"The US Department of Labor’s Trade Adjustment Assistance Community College and Career Training (TAACCCT) program created a free and open online library called SkillsCommons containing free and open learning materials and program support materials for job-driven workforce development. The $1.9 billion investment by the US Department of Labor produced a comprehensive collection of workforce-related Open Educational Resources (OER) created by over 700 community colleges across the nation. The OER can be found, reused, revised, retained, redistributed and remixed by an individual, institution, and industry for FREE with the proper attribution to the original author of the resources."

"Welcome to Smithsonian Open Access, where you can download, share, and reuse millions of the Smithsonian’s images—right now, without asking. With new platforms and tools, you have easier access to more than 3 million 2D and 3D digital items from our collections—with many more to come. "

"SocArXiv, open archive of the social sciences, provides a free, non-profit, open access platform for social scientists to upload working papers, preprints, and published papers, with the option to link data and code."

Over 77,000 full-text, scholarly, open access articles available.

"Search SPLC publications, cases, Extremist Files, Intelligence Project articles, and more."

"SportRχiv is the first community-led and open access subject repository dedicated to sport, exercise, performance, and health research. As a repository, we appreciate the interdisciplinary nature of our respective fields and accept submissions from those working in all aspects of sport and exercise science (also known as kinesiology and movement science), sport and exercise studies, rehabilitation and therapy, through to theatre, dance, and performance studies."

"SpringerOpen, launched in June 2010, includes Springer’s portfolio of 200+ peer-reviewed fully open access journals across all areas of science."

"Stratigraphy.Net aims to provide free and open access to geoscientific information and data with special emphasis on the disciplines stratigraphy, paleontology and sedimentology"

"Discover the diversity of civil, structural and bridge engineering � more than 68.000 structures with over 13.000 participating companies and their products as well as 9.000 engineers and architects, all of that illustrated with 208.000 images."

Find opinions, audio and transcripts of arguments, filings, rules, and history.

"Open Access. Powered by Scholars. Published by Universities." Over 4 million articles available.

Large collection of open access books, made available by academic publishers such as Springer and Brill.

List of free, full text, quality controlled scientific and scholarly online journals. Covers journals for all subjects, in all languages. (Full text)

Discover research archived by institutions and by individuals. Use the search box at the top of the window to locate research on your subject.

Visit the Library of Congress website to view digital collections and exhibits and to access public domain resources. Use one of the largest online catalogs in the world. U.S. history, government, and law is a primary strength of the digital collections which include art, primary documents, newspapers, and resources too numerous to mention. Some collections are listed separately in this guide.

"MERLOT is a curated collection of free and open online teaching, learning, and faculty development services contributed and used by an international education community."

"The National Bureau of Economic Research (NBER) is a private, nonpartisan organization that facilitates cutting-edge investigation and analysis of major economic issues. It disseminates research findings to academics, public and private-sector decision-makers, and the public by posting more than 1,200 working papers and convening more than 120 scholarly conferences, each year."

"Openly Available Sources Integrated Search (OASIS) is a search tool that aims to make the discovery of open content easier. OASIS currently searches open content from 57 different sources and contains 159,459 records."

A network for teaching and learning materials, complete with resources for curriculum alignment, quality evaluation, social bookmarking, tagging, rating, and reviewing.

"The US Department of Labor’s Trade Adjustment Assistance Community College and Career Training (TAACCCT) program created a free and open online library called SkillsCommons containing free and open learning materials and program support materials for job-driven workforce development. The $1.9 billion investment by the US Department of Labor produced a comprehensive collection of workforce-related Open Educational Resources (OER) created by over 700 community colleges across the nation. The OER can be found, reused, revised, retained, redistributed and remixed by an individual, institution, and industry for FREE with the proper attribution to the original author of the resources."