Function: Indexing/Search

Repositories providing this function

Name Status Description
AAS Open Research Open AAS Open Research is a platform for rapid publication and open peer review for researchers supported by the AAS and programs supported through its funding platform, AESA.
Advance (Sage preprint) Open Advance: a SAGE preprints community allows researchers within the fields of humanities and social sciences to post their work online and free of charge.
AfricArxiv Open AfricArXiv is a community-led digital archive for African research, working towards building an African-owned open scholarly repository; a knowledge commons of African scholarly works to catalyze the African Renaissance.
AgEcon Search Open AgEcon Search is a free-to-user Web site that contains the full text of working papers, conference papers and journal articles in applied economics, including the subtopics of agricultural, consumer, energy, environmental, and resource economics.
AgriRxiv Open agriRxiv (pronounced ‘agri-archive’) is a free, open access source of unpublished preprints across the agricultural sciences.
AMRC Open Research Open A platform for rapid author-led publication and open peer review of research funded by AMRC member charities
APSA Preprints Open Early research outputs in political science and related disciplines
Arabixiv Closed to Submission Only The Arabic multidisciplinary preprint server for science.
ARPHA Preprints Open The submission systems limited to the participating ARPHA journals
ART-Dok Open ART-Dok is the full-text server of the Specialised Information Service for Art, Photography and Design, and is made available by Heidelberg University Library. It offers members of the academic community worldwide the opportunity to publish their texts in electronic format on the internet at no charge.
arXiv Open arXiv is a free distribution service and an open-access archive for 1,871,031 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 Materials on this site are not peer-reviewed by arXiv.
Authorea Open Authorea is the leading collaborative platform to read, write, and publish research.
Beilstein Archive Open The Beilstein Archives is currently limited to publishing preprints of unpublished research results in the fields of organic chemistry and nanotechnology. At this time, we are only publishing preprints that are intended for publication in one of the Beilstein Journals
Bepress Legal Repository Open The bepress Legal Repository offers working papers and pre-prints from scholars and professionals at top law schools around the world.
biohackrxiv Open Preprints for BioHackathons
bioRxiv Open bioRxiv (pronounced "bio-archive") is a free online archive and distribution service for unpublished preprints in the life sciences.
BodoArXiv Open BodoArXiv gathers scholarly literature in medieval studies across the disciplines. It provides an open, non-profit repository for papers at different stages of gestation, including works that may later find themselves in article form and/or behind a paywall.
ChemRxiv Open ChemRxiv (pronounced 'chem-archive') is a free submission, distribution and archive service for unpublished preprints in chemistry and related areas.
ChinaXiv Open ChinaXiv is an open repository and distribution service for scientific researchers in the field of natural science, which accepts scholarly preprints and conditionally accepts published articles.
CrimRxiv Open CrimRxiv is criminology's open archive: a place to find and provide free information, knowledge, and understanding.
CrossAsia-Repository Open CrossAsia-Repository, the full-text server of the Virtual Library CrossAsia is the platform for publishing and archiving research literature in Asian Studies. Academics from all over the world are offered the possibility to publish their research on all fields of Asian Studies free of charge and without access limitation.
Digital Access to Scholarship Harvard Open Harvard Library Open Scholarship and Research Data Services operates the DASH repository as an effort to provide the broadest possible access to Harvard's scholarship. DASH hosts a wide range of Harvard-affiliated scholarly works, including pre- and post-refereed journal articles, conference proceedings, theses and dissertations, working papers, and reports.
Dspace @ MIT Open [email protected] is a digital repository for MIT's research, including peer-reviewed articles, technical reports, working papers, theses, and more.
E-lis Open Established in 2003, e-LIS is an international digital repository for Library and Information Science (LIS), including Communication.
Earth-prints Repository Open Earth-Prints is an open archive created and maintained by Istituto Nazionale di Geofisica e Vulcanologia. This digital collection allows users to browse, search and access manuscripts, journal articles, theses, conference materials, books, book-chapters, web products.
EarthArXiv Open EarthArXiv has officially agreed to partner with the California Digital Library (part of the University of California system) as our server host and submission platform using a system called Janeway (developed at Birkbeck, University of London).
EcoEvoRxiv Open Information about a free preprint service for ecology, evolution and conservation.
ECONSTOR Open EconStor can help you to disseminate your publications in Economics and Business Studies visibly and effectively.
ECSarXiv Open A free preprint service for electrochemistry and solid state science and technology.
EdArXiv Open A Preprint Server For The Education Research Community
engrxiv Open The open archive of engineering
ESSOAr Open The Earth and Space Science Open Archive (ESSOAr) is a community server established to accelerate the open discovery and dissemination of earth, environmental, and space science research by archiving and sharing early research outputs, including preprints, presentations from major scientific meetings, and important documents of scholarly societies.
F1000 Research Open An open access publishing platform supporting data deposition and sharing. Publish all your findings including null results, data notes and more. Engage with your reviewers openly and transparently. Accelerate the impact of your research.
Figshare Open figshare is a repository where users can make all of their research outputs available in a citable, shareable and discoverable manner
FocUS Archive Open A free preprint service for the focused ultrasound research community.
Frenxiv Closed to Submission Only
Gates Open Research Open Gates Open Research is a platform for rapid author-led publication and open peer review of research funded by the Bill & Melinda Gates Foundation
HAL Open HAL is an open archive where authors can deposit scholarly documents from all academic fields.
HRB Open Research Open HRB Open Research is a platform for HRB-funded researchers to rapidly publish their research outputs in an open and accessible way
IndiaRxiv Open Preprints repository server for India
JMIR Preprints Open A preprint server for pre-publication/pre-peer-review preprints intended for community review as well as ahead-of-print (accepted) manuscripts.
LawArxiv Closed to Submission Only
LIS Scholarship Archive Closed to Submission Only LISSA is a place where anyone can have access to library and information science scholarship, in all its forms. As librarians and archivists, we are committed to service permanence, sustainability, discoverability, and ease of access and use.
LSE Research Online Open Welcome to LSE Research Online, the institutional repository for the London School of Economics and Political Science.
MarXiv Open MarXiv (rhymes with "archive") is the free repository for ocean and marine-climate research.
MediArXiv Open Open Archive for Media, Film, and Communication Studies.
MedRxiv Open medRxiv (pronounced "med-archive") is a free online archive and distribution server for complete but unpublished manuscripts (preprints) in the medical, clinical, and related health sciences.
MetaArXiv Open An interdisciplinary archive of articles focused on improving research transparency and reproducibility.
MindRxiv Open Open archive for research on mind and contemplative practices
MitoFit Preprints Archive Open The Open Access preprint server for mitochondrial physiology and bioenergetics
MNI Open Research Open MNI Open Research is a platform for rapid publication and open peer review of research conducted by Montreal Neurological Institute and Hospital researchers.
Munich Personal RePEc Archive Open This repository is intended to disseminate research papers of economists who want to make their work freely available through the RePEc network but are not affiliated with any institution that provides that furtherance.
Nature Precedings Closed to Submission Only Nature Precedings functioned as a permanent, citable archive for pre-publication research and preliminary findings. It was a place for researchers to share documents, including presentations, posters, white papers, technical papers, supplementary findings, and non-peer-reviewed manuscripts.
NutriXiv Closed to Submission Only A preprint service for the nutritional sciences.
Open Anthropology Research Repository Open Prepublication platform covering all aspects of anthropological research, hosting preprints, teaching materials, conference papers, and posters.
Open Research Europe Open Open Research Europe is an open access publishing platform for the publication of research stemming from Horizon 2020 funding across all subject areas. The platform makes it easy for Horizon 2020 beneficiaries to comply with the open access terms of their funding and offers researchers a publishing venue to share their results and insights rapidly and facilitate open, constructive research discussion.
OSF preprints Open The launch of OSF Preprints branded services continues COS’s ongoing commitment to open and transparent research practices. The new preprints service is built on our flagship platform, OSF, which helps researchers design and manage their project workflow, data storage, DOI management, and collaboration.
PaleorXiv Open A preprint archive for Paleontology
PeerJ Preprints Closed to Submission Only Initially, developed as preprint server for PeerJ submissions
Philsci Archive Open Welcome to PhilSci-Archive, an electronic archive specifically tailored to and run by philosophers of science. The archive is offered as a free service to the philosophy of science community. Its goal is to promote communication in the field by the rapid dissemination of new work. Open Preprints is a platform dedicated to making early versions of research outputs permanently available and citable.
PsyArXiv Open A free preprint service for the psychological sciences
Research Square Open Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal.
RinarXiv Open RINarxiv Beta Release 2.0 is a community-led digital archive for unpublished preprints of Indonesian research communication. RINarxiv is dedicated to foster research and collaboration among Indonesian scientists, enhance the visibility of Indonesian research output and to increase openness.
SciELO Preprints Open SciELO Preprints Collection is an integral part of SciELO, an international cooperation program aiming at the development of open access scientific communication covering all areas of knowledge. It operates as a collection of non-peer-reviewed manuscripts within the SciELO Network of national and thematic collection of journals.
ScienceOpen Open ScienceOpen is a discovery platform with interactive features for scholars to enhance their research in the open, make an impact, and receive credit for it. We provide context building services for publishers, to bring researchers closer to the content than ever before.
SocArxiv Open SocArXiv, open archive of the social sciences, provides a free, non-profit, open access platform for social scientists to upload working papers, preprints, and published papers, with the option to link data and code.
SportRxiv Open The open access subject repository for Sport, Exercise, Performance, and Health research.
SSOAR Open The full-text server SSOAR, which is maintained at GESIS – Leibniz Institute for the Social Sciences, collects and archives literature of relevance to the social sciences and makes it available in open access on the Internet in accordance with the Berlin Declaration on Open Access to Knowledge in the Sciences and Humanities.
TechRxiv Open TechRxiv (pronounced "tech archive") is an open, moderated preprint server for unpublished research in electrical engineering, computer science, and related technology.
Wellcome Open Research Open Wellcome Open Research provides all Wellcome researchers with a place to rapidly publish any results they think are worth sharing. All articles benefit from rapid publication, transparent peer review and editorial guidance on making all source data openly available.
WikiJournal Preprints Open The WikiJournal Publishing Group is a set of open-access, peer-reviewed academic journals with no publishing costs to authors. Its goal is to provide free, quality-assured knowledge.
Zenodo Open Built and developed by researchers, to ensure that everyone can join in Open Science.

Services providing this function

Name Cost Description Repositories
Bielefeld Academic Search Engine Completely free - A search engine for academic web resources indexing the metadata of all kinds of academically relevant resources – journals, institutional repositories, digital collections etc… Service provided by the University of Bielefeld (Germany). 6
CAB Abstracts Premium only - CAB Abstracts is the leading English-language bibliographic information service providing access to the world’s applied life sciences literature. It comes with CABI Full Text, giving users automatic access to over 570,000 journal articles, conference papers and reports (80% of which are not available electronically anywhere else). 1
Chemical Abstracts Premium only - At CAS, we curate, connect, and analyze scientific knowledge to reveal the unseen connections that inspire breakthroughs. We weave a fabric of discovery that scientific innovators can tap into to stimulate their creativity and accelerate their work. Because when the world turns to science, science turns to CAS. 1
CORE Completely free - One of the world’s largest collections of open access full texts, which are used and referenced by people globally, including researchers, libraries, software developers, funders and many more. CORE content covers all research disciplines and comes from thousands of institutional and subject repositories and journals. CORE is a not-for-profit service delivered by The Open University and Jisc. 3
Crossref Free with premium features - Crossref makes research objects easy to find, cite, link, assess, and reuse. We’re a not-for-profit membership organization that exists to make scholarly communications better. 13
DART Europe Completely free - DART-Europe was founded in 2005 as a partnership of national and university libraries and consortia to improve global access to European research theses. The DART-Europe E-theses Portal is managed by UCL Library Services. 1
DBLP Completely free - The dblp computer science bibliography provides open bibliographic information on major computer science journals and proceedings. Originally created at the University of Trier in 1993, dblp is now operated and further developed by Schloss Dagstuhl. 1
Dimensions Free with premium features - Database and search engine of articles and preprints 1
Ebsco - 1
EconLit Completely free - Professionally classified, updated weekly, and including over 1.6 million records, EconLit covers economics literature published over the last 130 years from leading institutions in 74 countries.  In combination with the optional full-text package of over 500 journals, including the prestigious AEA journals, EconLit provides a comprehensive library of economics literature. 1
Europe PMC Completely free - Database and search engine of articles and preprints 15
Google Scholar Completely free - All kind of documents (books, reports, articles, preprints) 68
ISIDORE Completely free - An online platform that allows research and access to human and social sciences digital data. 1
Leibniz Open Completely free - 1
Lens Free with premium features - Lens serves global patent and scholarly knowledge as a public good to inform science and technology enabled problem solving. No account required. 1
meta Completely free - All kind of documents (books, reports, articles, preprints) 1
Microsoft Academic Completely free - Microsoft Academic is a project exploring how to assist human conducting scientific research by leveraging machine’s cognitive power in memory, computation, sensing, attention, and endurance. 25
OAIster Completely free - OAIster is a union catalog of millions of records that represent open access resources. This catalog was built through harvesting from open access collections worldwide using the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH). Today, OAIster includes more than 50 million records that represent digital resources from more than 2,000 contributors. 2
OpenAire explore Completely free - A search engine for datasets, publications, preprints, research softwares, funders, funding grants… Supported by the European Union. 6 - 1
Prepubmed Completely free - Search engine of preprints 11
Proquest Premium only - ProQuest is committed to empowering researchers and librarians around the world. The company's portfolio of assets - including content, technologies, and deep expertise - drives better research outcomes for users and greater efficiency for the libraries and organizations that serve them. 1
PubMed Completely free - Database and search engine of articles and preprints (only those funded by NIH) 5
RePEc Completely free - RePEc (Research Papers in Economics) is a collaborative effort of hundreds of volunteers in 102 countries to enhance the dissemination of research in Economics and related sciences. The heart of the project is a decentralized bibliographic database of working papers, journal articles, books, books chapters and software components, all maintained by volunteers. The collected data are then used in various services that serve the collected metadata to users or enhance it. 2
Researcher App Completely free - Keeping up-to-date with research can feel impossible, with papers being published faster than you'll ever be able to read them. That's where Researcher comes in: we're simplifying discovery and making important discussions happen. With over 19,000 sources, including peer-reviewed journals, preprints, blogs, universities, podcasts and Live events across 10 research areas, you'll never miss what's important to you. It's like social media, but better. Oh, and we should mention - it's free. 2
scanR Completely free - scanR allows you to search for companies active in research and innovation, public research laboratories, public funding, research work (publications, PhD dissertations). ScanR identifies the links between these different objects and allows to describe them in their context. For example, scanR can instantly provide a mapping of research collaborations of a laboratory or any other institution. 1
Scilit Completely free - Scilit is a free and comprehensive content aggregator platform for scholarly publications. 12
Scite Free with premium features - A service to find citation of your article (preprint) in its context + categorization into “mention”, “support”, “dispute”. To pay. 1
Scopus Free with premium features - Scopus uniquely combines a comprehensive, expertly curated abstract and citation database with enriched data and linked scholarly literature across a wide variety of disciplines. 4
SHARE Completely free - SHARE’s open API tools and services help bring together scholarship distributed across research ecosystems for the purpose of greater discoverability. However, SHARE does not guarantee a complete aggregation of searched outputs. For this reason, SHARE results should not be used for methodological analyses, such as systematic reviews. 24
Unpaywall Completely free - An open database of 32,073,031 free scholarly articles. We harvest Open Access content from over 50,000 publishers and repositories, and make it easy to find, track, and use. 23
WorldCat Completely free - WorldCat is the world's most comprehensive database of information about library collections. Unique in scale and unparalleled in data quality, WorldCat makes library collections findable and accessible around the world. It's where you can locate a book, video, or other item of interest and discover which libraries near you own the item. Individual member libraries in your community and elsewhere provide access to the items represented in WorldCat. 3