Open Access Preprint Repositories
arXiv is an open-access repository of electronic preprints and postprints approved for posting after moderation, but not peer review.
agriRxiv is the home of open access, free, preprints across agriculture and allied sciences.
BioRxiv is an open access preprint repository for the biological sciences.
ChemRxiv is a free-to-access pre-publication platform dedicated to early research outputs in a broad range of chemistry fields.
Cogprints is powered by EPrints 3 which is developed by the School of Electronics and Computer Science at the University of Southampton.
Authorea is an online collaborative writing tool that allows researchers to write, cite, collaborate, host data and publish.
EarthArXiv publishes articles from all subdomains of Earth Science and related domains of planetary science.
EdArXiv hosts preprint papers in all areas of education.
F1000Research is a perfectly good platform having peer review system.
LawArXiv is a free, open access, nonprofit, pre- and post-print repository for legal scholarship.
LISSA is a place where anyone can have access to library and information science scholarship, in all its forms.
MediArXiv is a free, community-led digital archive for media, film, and communication research.
medRxiv is an Internet site distributing unpublished papers about health sciences.
OSF Preprints is an open access option for discovering multidisciplinary preprints as well as postprints and working papers.
PeerJ is an open access peer-reviewed scientific mega journal covering research in the biological and medical sciences.
PsyArXiv is a preprint repository for the psychological sciences.
SocArXiv is an online paper server for the social sciences.
Social Science Research Network (SSRN)
The SSRN, formerly known as Social Science Research Network, is a repository for preprints devoted to the rapid dissemination of scholarly research in the social sciences and humanities and more.
TechRxiv is a free preprint server for unpublished research in electrical engineering, computer science, and related technology.