Free Databases

arXiv - arXiv is a free distribution service and an open-access archive for 2,230,812 scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. Materials on this site are not peer-reviewed by arXiv.

Biblat (Bibliografia Latinoamericana en revistas de investigacion cientifica y social - is a "website specialized in scientific and academic journals published in Latin America and the Caribbean."

Biblioteca Virtual de Prensa Historica - "is a digital newspaper library where the public has access to an extensive, varied, and growing collection of historical newspapers and cultural magazines in Spanish language.... This newspaper library offers about eight and a half million digitized pages that are free to read and are openly available."

BITRA - The Bibliography of Interpreting and Translation contains over 81,000 entries, with more than 44,000 abstracts, more than 100,000 citations, and more than 4,000 tables of contents on translation studies research publications.

BLAST - The Basic Local Alignment Search Tool (BLAST) finds regions of local similarity between sequences. The program compares nucleotide or protein sequences to sequence databases and calculates the statistical significance of matches. BLAST can be used to infer functional and evolutionary relationships between sequences as well as help identify members of gene families.

The Cambridge Edition of the Works of Ben Jonson Online - presents a complete reappraisal of this major Renaissance writer, complementing and extending the seven-volume print edition of Jonson’s works.

Data.gov - Contains data, tools, and resources to conduct research, develop web and mobile applications, design data visualizations, and more.

HeathData.gov - This site is dedicated to making data discoverable and making valuable government data available to the public in the hopes of better health outcomes for all.  Contains data on a wide range of topics, including environmental health, medical devices, Medicare & Medicaid, social services, community health, mental health, and substance abuse.

The Homeland Security Digital Library (HSDL) - "The Homeland Security Digital Library (HSDL) is the nation's premier collection of documents related to homeland security policy, strategy, and organizational management. The HSDL is part of the Naval Postgraduate School Center for Homeland Defense and Security and is sponsored by the U.S. Department of Homeland Security's National Preparedness Directorate, FEMA."

Jacob's Pillow Dance Interactive - Contains a collection of dance videos filmed at Jacob's Pillow from the 1930s to today, as well as multi-media essays.

La Referencia: Red Latinoamerican para la ciencia Abierta - "LA Referencia gives visibility to the scientific production of higher education and research institutions in Latin America, promotes open and free access to the full text, with special emphasis on publicly financed results."

Lingmex: Bibliografia linguistica de Mexico desde 1970 - is a linguistics database from El Colegio De Mexico.

MEDLINEPlus - MEDLINEPlus is a "goldmine of good health information from the world's largest medical library, the National Library of Medicine."

MEDLINEPlus (Español) - Informacion de salud de la Biblioteca Nacional de Medicina.

NASA+ - NASA+ is NASA's all new streaming service available now. "More space. More rockets. More science. More missions. More NASA. All in one place."

National Center for Biotechnology Information (NCBI) Databases - "The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information."

Numeridanse - Numeridanse is a multimedia dance platform which offers free access to filmed performances, documentaries, interviews, fictions, and dance videos. Every single genre, style and form is showcased here: butoh, classical ballet, neo-classical ballet, baroque, Indian, African, flamenco, contemporary, traditional dances, hip-hop, tango, jazz, circus arts, performance, etc.

PEDro - "It is a free database of over 63,000 trials, reviews and guidelines evaluating physiotherapy interventions."

PTSDpubs - The PTSDpubs Database (formerly PILOTS) is an extensive PTSD resource produced by the U.S. Department of Veterans Affairs although it is not limited to literature on PTSD among Veterans.

PubChem - PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.

PubMed - PubMed is "a service of the National Library of Medicine, provides access to over 11 million MEDLINE citations back to the mid-1960's and additional life science journals. PubMed includes links to many sites providing full text articles and other related resources."

Red de Bibliotecas Virtuales de Ciencias Sociales en América Latina y el Caribe - • Virtual library network that provides access to CLACSO resources in the social sciences in Latin America and the Caribbean.

Redalyc (The Network of Scientific Journals from Latin America and the Caribbean, Spain and Portugal) - Redalyc is an indexing system that contains open access journals of scientific and editorial quality. After 16 years of providing visibility and supporting the consolidation of journals, it now incorporates exclusively those journals, from any part of the world, that share the non-profit publishing model in order to preserve the scholarly and open nature of scientific communication.

SciELO - SciELO is a multidisciplinary repository for deposition, preservation and dissemination of research data from articles submitted and approved for publication, already published in SciELO Network journals or deposited in SciELO Preprints.

The Texas Tribune - "The Tribune covers a range of topics including K-12 and higher education, health care, immigration, criminal justice, energy, social services, the environment, transportation, civil rights, rural issues and infrastructure — essentially all of the policy areas covered by the Texas government."

U.S. Bureau of Labor Statistics - Contains government labor data, such as inflation and prices, pay and benefits, occupational requirements, unemployment, employment, and productivity.

U.S. Geological Survey - Contains information on science including environment, water, minerals, natural resources, ecosystems, climate, and land-use, for example.