Publishing
Pre-Print Servers¶
Multidisciplinary¶
ASAPbio Pre-Print Server List - comprehensive directory of preprint servers maintained by ASAPbio, a scientist-driven non-profit promoting transparency in life science communication.
arXiv - free distribution service and open-access archive for 2.4+ million scholarly articles in physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics.
OSF.io Preprints - multidisciplinary preprint platform operated by Center for Open Science with support for multiple domains.
Preprints.org - free multidisciplinary preprint server supported by MDPI covering all scientific disciplines.
Research Square - preprint platform integrated with major publishers for rapid sharing before peer review.
Life & Health Sciences¶
BioRxiv - open access preprint repository for biological sciences, now operated by openRxiv (launched 2025).
medRxiv - preprint server for health sciences, now operated by openRxiv alongside bioRxiv.
EcoEvoRxiv - preprint server for ecology, evolution, and conservation science.
Physical Sciences & Engineering¶
ChemRxiv - preprint server for chemistry, chemical engineering, materials science, and related disciplines.
engrXiv - open preprint server for engineering covering chemical, civil, environmental, materials, mechanical, and other engineering fields.
TechRxiv - IEEE-affiliated preprint server for electrical engineering, computer science, and technology research.
Earth & Space Sciences¶
ESSOar - Earth and Space Science Open Archive hosted by the American Geophysical Union.
Social Sciences & Humanities¶
SocArXiv - open archive for social science research across all disciplines.
MetaArXiv - preprint server focused on research transparency, reproducibility, and meta-science.
Regional Preprint Servers¶
AfricArXiv - pan-African open access preprint repository for research about Africa or by African scientists, established 2018.
IndiaRxiv - India's first preprint server for domestic research across all disciplines, relaunched 2024.
Financial Support for Open Access Publishing Fees¶
National & Regional Programs¶
HINARI - WHO program providing free or low-cost journal access to low- and middle-income countries.
Max Planck Digital Library - transformative agreement enabling German authors to publish open access in Springer Nature journals without APC fees.
Bibsam Consortium - Swedish consortium agreement covering open access fees in Springer Nature research journals.
PALCI ACS Agreement - Partnership for Academic Library Collaboration & Innovation agreement eliminating author publishing charges for ACS journals (through 2026+).
University Library OA Funds¶
MIT Libraries OA Publishing Support - MIT agreements with PLOS, Taylor & Francis, and other publishers providing no-cost OA publishing for MIT authors through 2026.
Open Access Publishing Fund - Florida State - financial support for Article Processing Charges at FSU.
Indiana University Open Access Fund - IU program supporting APC costs for fully open access journals.
Tufts Tisch Library OA Fund - up to $30,000 available for 2025-2026 academic year for open access publishing.
International Funding¶
Horizon Europe Open Research Europe - European Commission's no-cost open access publishing service for Horizon Europe grant beneficiaries.
SciDev.Net - science and development news network supporting open access in developing countries.
Open Access Publishing¶
Open Access Directories & Indexes¶
Directory of Open Access Journals (DOAJ) - curated directory of 22,464+ peer-reviewed open access journals from 140 countries with 12+ million article records; 14,024 journals charge no fees.
SciELO - Scientific Electronic Library Online covering 16 countries across Latin America, Caribbean, South Africa, Spain, and Portugal; pioneering regional diamond open access since 1997.
Redalyc - Red de Revistas CientÃficas de América Latina y el Caribe indexing 1,500+ diamond open access journals with 750,000+ articles from 25 countries.
Diamond Open Access Publishers¶
Diamond (or platinum) open access means no fees for readers OR authors - 100% free publishing and access.
MIT Press Direct to Open (D2O) - diamond open access model for scholarly monographs, expanding in 2026 with Duke University Press and Goldsmiths Press.
Beilstein Journals - diamond open access journals in chemistry and nanotechnology, fully funded by the Beilstein-Institut foundation in Germany.
Diamond Scientific Publishing - international publisher of diamond open access books, journals, and conference proceedings across multiple fields.
Emerald Diamond OA Journals - diamond open access journals published in partnership with universities and associations.
Cambridge Diamond - University of Cambridge's platform supporting diamond open access publishing initiatives.
Major Open Access Publishers¶
PLOS (Public Library of Science) - pioneering nonprofit open access publisher founded 2000, publishing seven peer-reviewed journals across all sciences.
MDPI - Swiss publisher of 400+ open access journals across sciences, technology, and medicine; many institutions offer 10% APC discounts.
Frontiers - open access publisher with journals across sciences, technology, medicine, and humanities using collaborative peer review.
F1000Research - innovative open access platform with rapid publication, open peer review, and support for data sharing across biomedical, life, and physical sciences.
PeerJ - open access publisher of seven journals in biomedical, life, environmental, physical, and computer sciences with affordable APCs.
eLife - nonprofit open access journal for biomedical and life sciences, known for innovative peer review and the Sciety preprint review platform.
Copernicus Publications - largest open access publisher in geo- and Earth system sciences since 2001, pioneering interactive open peer review.
Traditional Publishers with OA Options¶
AAAS Science Open Access - American Association for Advancement of Science open access publishing in Science family journals.
Nature Portfolio Open Access - Springer Nature's 600+ open access journals plus OA options in hybrid journals.
American Geophysical Union (AGU) - Earth and space sciences open access publishing across 20+ journals.
CSIRO Publishing - Australian research organization's open access options across environmental, agricultural, and physical sciences.