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Scientific Resources

Repositories and pre-print servers

Directory of Open Access Repositories
OpenDOAR is the quality-assured global directory of academic open access repositories, enabling identification, browsing and search for repositories, based on a range of features, such as location, software or type of material held.

Digital Commons Network
Open access full-text scholarly articles curated by university librarians.

OSF preprints
Combines search results from a variety of preprint providers such as arXiv, bioRxiv, PeerJ, CogPrints. A million+ preprints are indexed and can be searched by author or keywords, or filtered by subject, preprint server, and most recent contributions.
Open access to 1,599,675 e-prints in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics.

An online archive and distribution service for unpublished preprints in the life sciences.
Archive service for unpublished preprints in chemistry and related areas.
A preprint service for the psychological sciences.
RePEc matches open access working papers in economics with their published (subscription and paywalled) article versions.

Self-archived and open access database of papers in any area of psychology, neuroscience, and linguistics, and many areas of computer science.
Social Science Research Network is an open-access online preprint community, specializing primarily in social sciences, including economics, law, corporate governance, and humanities.