This is a list of preprint repositories.
| Name | Discipline(s) | Description | Size | Created | Provider(s) | |
|---|---|---|---|---|---|---|
| AAS Open Research | Multidisciplinary | At least one of the authors must be affiliated with the African Academy of Sciences | 251 | 2018 | African Academy of Sciences & F1000 Research Ltd | |
| AMRC Open Research | Medicine | At least one of the authors must be affiliated with AMRC member charities | 45 | 2019 | Association of Medical Research Charities & F1000 Research Ltd | |
| agriRxiv | Global preprint service for agriculture and allied sciences | 418 | 2017 | Open Access India & CAB International | ||
| APSA Preprints | Political science | Early research outputs in political science and related disciplines | 349 | 2019 | American Political Science Association & Cambridge University Press | |
| mp_arc | Mathematical physics | Main focus: mathematics, physics | 9779 | University of Texas at Austin, Università Roma Tre, Universitat de Barcelona | ||
| arXiv[1] | Multidisciplinary | Main focus: mathematics, physics, astronomy, computer science, quantitative biology, statistics, quantitative finance and economics | 2,250,000 (2023)[2] | 1991 (14 August) | Cornell University | |
| AfricArXiv[3] | Multidisciplinary | Preprint server for interdisciplinary research in Africa | 186 | 2018 | Center for Open Science | |
| Arabixiv | Multidisciplinary | Arabic Preprint Server | 493 | 2018 | Center for Open Science | |
| ARPHA Preprints | Multidisciplinary | The submission systems limited to the participating ARPHA journals | 14 | 2020 | Pensoft Publishers | |
| Authorea[4] | Multidisciplinary | A collaborative writing platform that can be used as preprint server | 11,334 | 2013 | Atypon | |
| Beilstein Archives | Multidisciplinary | Preprint server for Beilstein journals | 520 | 2019 | Beilstein Institut | |
| BioHackrXiv | Life Sciences | Preprint server to report on works done during BioHackathons, CodeFests, Sprints or similar events | 39[5] | 2020 | Center for Open Science | |
| bioRxiv[6] | Biology | Open access preprint repository for the biological sciences | 194,000 (2023)[7] | 2013 | Cold Spring Harbor Laboratory | |
| Medieval Studies | Open Repository for Medieval Studies | 71 | 2019 | ScholarlyHub & Center for Open Science | ||
| Cell Sneak Peek | Biology | Manuscript under review in Cell Press journals | 3,375 | 2018 | Elsevier | |
| ChemRxiv[8] | Chemistry | Open access preprint archive for chemistry | 13,865 | 2017 | American Chemical Society, Royal Society of Chemistry & German Chemical Society | |
| ChinaXiv | Multidisciplinary | Preprint server for interdisciplinary research in China | 14,361 | 2016 | National Science Library, Chinese Academy of Sciences | |
| CogPrints | Multidisciplinary | Psychology, Neuroscience, Linguistics, Computer Science, Philosophy, and Biology | 4,230 | University of Southampton | ||
| CrimRxiv | Criminology | Criminology's open archive | 187 | 2020 | University of Manchester | |
| Cryptology ePrint Archive | Cryptography | Open access preprint archive for cryptography | 1,590 | 1996 | International Association for Cryptologic Research | |
| EarthArXiv[9] | Earth science | All subdomains of Earth Science and related domains of planetary science | 3,817 | 2017 | California Digital Library | |
| EcoEvoRxiv | Ecology | A free preprint service for ecology, evolution and conservation | 366 | 2018 | Center for Open Science | |
| EconStor | Economics and Business Studies | A subject based repository with a high share of working papers (preprints) | 248,000 | 2009 | ZBW - Leibniz Information Centre for Economics | |
| ECSarXiv | A free preprint service for electrochemistry and solid state science and technology | 172 | 2018 | Center for Open Science | ||
| EdArXiv | A Preprint Server For The Education Research Community | 620 | 2019 | Center for Open Science | ||
| engrXiv[10] | Engineering | Open archive of engineering preprints | 1,431 | 2016 | Open Engineering Inc | |
| ESSOAr | Earth science | Earth and space science preprints and conference posters | 2,526 | 2018 | American Geophysical Union, Atypon, & Wiley | |
| Eyexiv | The Eye Open Repository, Preprints for ophthalmology, optometry, and vision science | 300 | 2022 | International Virtual Ophthalmic Research Center | ||
| E-LIS | Library science | Eprints in Library and Information Science | 22,519 | 2003 | E-LIS Governance & CIEPI | |
| F1000 Research | Life Sciences | Preprint server with integrated option of peer review by invited experts, suggested by the authors, done openly after publication | 3,790 | 2012 | F1000 Research Ltd. | |
| FocUS Archive | Ultrasound research | A free preprint service for the focused ultrasound research community | 43 | 2018 | Center for Open Science | |
| Frenxiv | Multidisciplinary | French server for preprints. Closed. | 149 | Center for Open Science | ||
| Gates Open Research | Multidisciplinary | A platform for rapid author-led publication and open peer review of research funded by the Bill & Melinda Gates Foundation | 286 | 2017 | Bill & Melinda Gates Foundation | |
| HAL[11] | Multidisciplinary | Open archive for scholarly documents from all academic fields | 842,398 | 2001 | Centre pour la communication scientifique directe | |
| HRB Open Research | Medicine | A preprint platform for HRB-funded researchers | 157 | 2018 | Health Research Board & F1000 Research Ltd. | |
| hprints | Arts and humanities | Nordic Arts and Humanities and Social Sciences Open Access repository | 274 | 2008 | French National Centre for Scientific Research & Nordbib | |
| Multidisciplinary | Preprint server for interdisciplinary research in Indonesia | 16,489 | [12] | Center for Open Science | ||
| IndiaRxiv | Multidisciplinary | Preprint server for interdisciplinary research in India | 134 | 2019 | Open Access India, Center for Open Science & Society for Promotion of Horticulture | |
| Jxiv | Multidisciplinary | Preprint server in Japan[13] | 279 | 2022 | Japan Science and Technology Agency | |
| JMIR Preprints | Medicine | Preprint server by publisher JMIR Publications mainly for open review of JMIR submissions | 2200 (2018)[14] | 2009[15] | JMIR Publications | |
| Law | Archive for legal research | 1,366 | Center for Open Science | |||
| LISSA | Library science | Library and Information Sciences Scholarship Archive | 301 | 2018 | Center for Open Science | |
| Linguistics | Preprint server for linguistics, covering phonology, semantics, syntax, morphology, and diachronic linguistics | 7,548 (2023) | 2004(?) | University of Tromsø | ||
| MarXiv | Marine science | Repository for ocean and marine-climate science. Closed. | 458 | Center for Open Science | ||
| Communication sciences | Preprints for media, film, and communication research | 112 | 2019 | Center for Open Science | ||
| medRxiv[16] | Medicine | Open access preprint archive for medicine | 42,000 (2023)[17] | 2019 | Cold Spring Harbor Laboratory | |
| MetaArXiv | Multidisciplinary | Focused on improving research transparency and reproducibility | 512 (2023)[18] | 2018 | Center for Open Science | |
| MindRxiv | Multidisciplinary | Preprints on mind and contemplative practices | 215 | 2018 | Center for Open Science | |
| Nature Precedings | Multidisciplinary | Preprint repository of scholarly work in the fields of biomedical sciences, chemistry, and earth sciences | 3,423 | Nature Publishing Group | ||
| NutriXiv | Nutritional sciences | Preprint service for the nutritional sciences | 81 | 2018 | Center for Open Science | |
| Optimization Online | Mathematics | Eprint repository for optimization topics | 8974 | 2000 | Mathematical Optimization Society & Wisconsin institute | |
| OSF Preprints | Multidisciplinary | Aggregates over 30 preprint servers (all from COS plus other like arXiv, bioRxiv, etc.). Number of native OSF Preprints documents: 25,114. | 2,289,894 | 2017 | Center for Open Science | |
| PaleorXiv[19] | Paleontology | Preprint server for paleontology | 174 | 2017 | Center for Open Science | |
| PeerJ PrePrints[20] | Biology, medicine | Initially, developed as preprint server for PeerJ submissions. Closed Sep 30th 2019. | 5,086 | O'Reilly Media & SAGE Publishing | ||
| PhilArchive | Philosophy | A preprint archive for philosophy affiliated with PhilPapers | 74,280 | 2009 | PhilPapers Foundation | |
| PhilSci-Archive | Philosophy of science | An archive for preprints in philosophy of science | 8,636 | 2001 | D-Scribe Digital Publishing | |
| Preprints with The Lancet | Medicine | Preprints available via SSRN | 7,238 | 2018 | ||
| Preprints.org | Multidisciplinary | Preprint server for interdisciplinary research governed by MDPI | 36,623 (2023)[21] | 2016 | ||
| Preprints.ru | Multidisciplinary | Preprint server for interdisciplinary research in Russia | 228 | 2019 | NEICON | |
| PsyArXiv[22] | Psychology | Open access preprint archive for psychology | 29,166 (2023)[23] | 2016 | ||
| Qeios[24] | Multidisciplinary | Open access, open peer review scientific publishing platform | 858 | 2019 | Qeios | |
| RePEc | Economics | Research in economics | 3,400,000 | 1997 | Federal Reserve Bank of St. Louis | |
| Research Square | Multidisciplinary | Preprint server plus editing (commercial) | 223,000 (2023)[25] | 2018 | Research Square R&D LLC | |
| Rutgers Optimality Archive | Linguistics | A distribution point for research in Optimality Theory and its conceptual affiliates | 1250 | 1993 | School of Arts and Sciences at Rutgers University | |
| SciELO Preprints | Multidisciplinary | Interdisciplinary research for Latin America, Iberian Peninsula, South Africa | 13,713 | 2020 | SciELO | |
| ScienceOpen | Multidisciplinary | A research and discovery network allowing scholars with at least 5 publications to freely review preprints. | 2,200,000 | 2013 | ScienceOpen | |
| SocArXiv | Social science | Open archive of the social sciences | 12,880 (2023)[26] | 2016 | Center for Open Science | |
| SportRxiv | Sports science | Repository dedicated to sport and exercise related research | 279 | 2017 | Center for Open Science | |
| SSRN (First Look) | Multidisciplinary | Aggregates over 30 preprint servers (Preprints with The Lancet, Cell Sneak Peek, etc.). More than 55 disciplines. Initially funded by SSRN in 1994, bought in 2016 by Elsevier. | 950,733 | 1994 | Elsevier | |
| TechRxiv | Engineering | Preprints in Technology Research | 1,043 | 2020 | ||
| ViXra[27] | Multidisciplinary | Mainly physics and mathematics, but also other. An alternative to arXiv. Well-known for also having many unorthodox papers and also fringe science. | 37,113 | 2009 | Scientific God Inc. | |
| Wellcome Open Research | Multidisciplinary | At least one of the authors must be a Wellcome researcher | 820 | 2017 | Wellcome Trust | |
| WikiJournal Preprints | Multidisciplinary | Preprint repository of scholarly work in a MediaWiki format | 52 | 2017 | WikiJournal User Group | |
| Zenodo | Multidisciplinary | Preprint repository of scholarly work | 792,588 | 2011 | OpenAIRE / CERN | |
| Synthical[28] | Multidisciplinary | 3,000,000[29] | 2023 | Synthical |