110 CURATED CANDIDATE SOURCES

Global Resource Directory

Search independent portals for open books, learning, research, data, career exploration and more. The directory is a discovery guide, not a live availability feed.

Open Library & Books

OpenStax

Openly licensed textbooks from Rice University initiative.

open educational textbooksSciencesBusinessHumanities

Visit OpenStax

Open Library & Books

Open Textbook Library

Search and access textbooks under open licences.

open textbooksSciencesBusinessEducation

Visit Open Textbook Library

Open Library & Books

Directory of Open Access Books

Directory of peer-reviewed open-access scholarly books.

open access book discoveryHumanitiesSocial SciencesResearch

Visit Directory of Open Access Books

Open Library & Books

OAPEN Library

Open-access scholarly monographs and books.

open access booksHumanitiesSocial SciencesResearch

Visit OAPEN Library

Open Library & Books

LibreTexts

Open instructional text collections across disciplines.

open educational librarySciencesEngineeringBusiness

Visit LibreTexts

Open Library & Books

Project Gutenberg

Large collection of public-domain literature; local copyright law applies.

public-domain ebooks; region-dependentHumanitiesLanguages

Visit Project Gutenberg

Open Library & Books

HathiTrust Digital Library

Scholarly digitized books and bibliographic discovery.

free catalog; full-text variesHumanitiesResearch

Visit HathiTrust Digital Library

Open Library & Books

JSTOR Open Content

Open-access and public domain scholarship through JSTOR.

open and mixed contentHumanitiesSocial Sciences

Visit JSTOR Open Content

Open Library & Books

Directory of Open Access Journals

Independent discovery directory for open-access journals.

free open-access journal discoveryResearchSciencesHumanities

Visit Directory of Open Access Journals

Open Library & Books

Digital Public Library of America

U.S. cultural and historical digital collections.

free public digital collectionsHumanitiesEducation

Visit Digital Public Library of America

Open Library & Books

Library of Congress Digital Collections

Historical and cultural collections and primary sources.

free digital collection discoveryHumanitiesEducation

Visit Library of Congress Digital Collections

Open Library & Books

Google Books

Book search and preview; not all books are freely available.

free discovery; content access variesHumanitiesResearch

Visit Google Books

Free Courses & Open Learning

MIT OpenCourseWare

Lecture notes, readings and course materials made openly available by MIT.

free self-study materials; no MIT creditEngineeringSciencesBusiness

Visit MIT OpenCourseWare

Free Courses & Open Learning

MIT Learn

MIT learning discovery hub; fees and credentials depend on offering.

mixed free and paid learningEngineeringSciencesAI

Visit MIT Learn

Free Courses & Open Learning

OpenLearn

The Open University free course and learning collection.

free learning resourcesHumanitiesBusinessHealth

Visit OpenLearn

Free Courses & Open Learning

Khan Academy

Practice and lessons in foundational subjects.

free learningMathematicsSciencesComputing

Visit Khan Academy

Free Courses & Open Learning

Open Yale Courses

Publicly available recordings and resources from selected Yale courses.

free non-credit course materialsHumanitiesSocial Sciences

Visit Open Yale Courses

Free Courses & Open Learning

Saylor Academy

Self-paced courses; any paid or credit services must be checked separately.

free course access; credentials varyBusinessComputingHumanities

Visit Saylor Academy

Free Courses & Open Learning

freeCodeCamp

Coding projects and technology tutorials.

free learningComputingAI

Visit freeCodeCamp

Free Courses & Open Learning

Harvard Online Learning

Course discovery; some offerings are free and others paid.

mixed free and paidBusinessHumanitiesSciences

Visit Harvard Online Learning

Free Courses & Open Learning

edX

Learning portal; availability of free audit varies by course.

mixed free and paidComputingBusinessSciences

Visit edX

Free Courses & Open Learning

FAO eLearning Academy

Food, agriculture and sustainable development e-learning.

free learning discoveryEnvironmentAgriculturePolicy

Visit FAO eLearning Academy

Free Courses & Open Learning

UN CC:Learn

UN partnership platform for climate change learning.

free learning; certificate terms varyEnvironmentPolicy

Visit UN CC:Learn

Free Courses & Open Learning

Microsoft Learn

Technology and professional technical learning paths.

free training modules; external products may costComputingAIBusiness

Visit Microsoft Learn

Free Courses & Open Learning

Google Skillshop

Google product training and learning paths.

free training modules; account may be requiredBusinessMarketingComputing

Visit Google Skillshop

Free Courses & Open Learning

IBM SkillsBuild

Digital and professional skills resources.

free learning; eligibility may varyAIComputingBusiness

Visit IBM SkillsBuild

Free Courses & Open Learning

UNESCO Open Educational Resources

Principles, guidance and resources for open educational resources.

free reference and policy resourcesEducationPolicy

Visit UNESCO Open Educational Resources

Research Discovery

OpenAlex

Open catalog of scholarly works, authors and institutions.

free scholarly discovery; full text variesResearchSciencesHumanities

Visit OpenAlex

Research Discovery

CORE

Search for scholarly outputs and open-access research.

free research discovery; full text variesResearchSciencesHumanities

Visit CORE

Research Discovery

OpenAIRE

Open research discovery and connected research products.

free research discoveryResearchSciencesPolicy

Visit OpenAIRE

Research Discovery

Semantic Scholar

Scholarly search and citation discovery.

free scholarly search; full text variesResearchSciencesAI

Visit Semantic Scholar

Research Discovery

Google Scholar

Search for papers, books, citations and academic sources.

free search; full text variesResearchSciencesHumanities

Visit Google Scholar

Research Discovery

PubMed

National Library of Medicine biomedical citation database.

free biomedical search; full text variesHealthResearch

Visit PubMed

Research Discovery

Europe PMC

Search life-sciences publications, preprints and articles.

free literature discovery; full text variesHealthResearch

Visit Europe PMC

Research Discovery

ERIC

U.S. education research index and full-text resources where available.

free education research discovery; full text variesEducationResearch

Visit ERIC

Research Discovery

arXiv

Preprints in maths, physics, computer science and other fields.

free preprints; not necessarily peer-reviewedComputingMathematicsSciences

Visit arXiv

Research Discovery

bioRxiv

Biology preprint server.

free preprints; not peer-reviewed at postingBiologyHealthResearch

Visit bioRxiv

Research Discovery

medRxiv

Health sciences preprint server; findings are preliminary.

free preprints; not peer-reviewed at postingHealthResearch

Visit medRxiv

Research Discovery

SSRN

Working papers and early research across disciplines.

free discovery; access variesBusinessSocial SciencesLaw

Visit SSRN

Research Discovery

SciELO

Scholarly open-access publishing network.

free open research discoveryHealthSocial SciencesResearch

Visit SciELO

Research Discovery

BASE

Bielefeld Academic Search Engine for scholarly resources.

free academic search; full text variesResearchHumanitiesSciences

Visit BASE

Research Discovery

Zenodo

Open research repository for publications, software and datasets.

free open research repositoryResearchDataSciences

Visit Zenodo

Research Discovery

Crossref Search

Look up published work metadata and DOI records.

free metadata search; full text variesResearchPublishing

Visit Crossref Search

Research Methods & Tools

ORCID

Persistent researcher identifiers and profiles.

free researcher identifierResearch

Visit ORCID

Research Methods & Tools

Zotero

Reference collection, organization and citation management.

free reference manager; storage options varyResearchWriting

Visit Zotero

Research Methods & Tools

OSF

Open Science Framework project and research organization.

free core research workflows; some services varyResearchData

Visit OSF

Research Methods & Tools

EQUATOR Network

Reporting guidelines for health-related research.

free reporting guidanceHealthResearch

Visit EQUATOR Network

Research Methods & Tools

PRISMA

Guideline materials for reporting systematic reviews.

free reporting guidanceResearchHealth

Visit PRISMA

Research Methods & Tools

Committee on Publication Ethics

Publication ethics resources, guidance and cases.

free guidance; some services for membersResearchPublishing

Visit Committee on Publication Ethics

Research Methods & Tools

Think Check Submit

Checklist to assess trusted journals and publishers.

free guidanceResearchPublishing

Visit Think Check Submit

Research Methods & Tools

Research Data Alliance

Research data sharing practices and community outputs.

free public resourcesResearchData

Visit Research Data Alliance

Research Methods & Tools

FAIRsharing

Standards, databases and policies registry.

free discovery; account for some functionsResearchData

Visit FAIRsharing

Research Methods & Tools

UK Data Service

Social science data and methods guidance.

free learning and discovery; access conditions applyDataSocial Sciences

Visit UK Data Service

Research Methods & Tools

JASP

Statistical analysis software with visual interface.

free open-source softwareResearchStatistics

Visit JASP

Research Methods & Tools

R Project

Language and environment for statistical computing.

free open-source softwareResearchStatisticsComputing

Visit R Project

Research Methods & Tools

Purdue OWL

Writing, citation and academic communication resources.

free writing guidanceWritingResearch

Visit Purdue OWL

Global Public Data

World Bank Open Data

International development indicators and country profiles.

free public dataEconomicsPolicyData

Visit World Bank Open Data

Global Public Data

World Bank DataBank

Explore, visualize and download international time-series indicators.

free public analysis toolsEconomicsPolicyData

Visit World Bank DataBank

Global Public Data

UNESCO Institute for Statistics

Education, science and culture indicators and metadata.

free public dataEducationResearchData

Visit UNESCO Institute for Statistics

Global Public Data

UNdata

United Nations statistics explorer.

free public datasetsDataPolicyEconomics

Visit UNdata

Global Public Data

Our World in Data

Charts and explanatory research on global trends.

free data and explanatory charts; licence appliesDataHealthEnvironment

Visit Our World in Data

Global Public Data

OECD Data Explorer

OECD international indicators and data explorer.

free public dataEconomicsEducationPolicy

Visit OECD Data Explorer

Global Public Data

Eurostat

Official statistics from the European Union.

free public European dataEconomicsEducationPolicy

Visit Eurostat

Global Public Data

WHO Data

Health indicators and WHO data products.

free public health dataHealthData

Visit WHO Data

Global Public Data

UNDP Human Development Reports

Human development data and country comparisons.

free public dataPolicyEconomicsData

Visit UNDP Human Development Reports

Global Public Data

ILOSTAT

International labour market indicators.

free public labour dataCareersEconomicsData

Visit ILOSTAT

Global Public Data

IMF Data

International Monetary Fund data and resources.

free public datasets; usage variesEconomicsData

Visit IMF Data

Global Public Data

FAOSTAT

Food and agriculture statistics.

free public dataAgricultureEnvironmentData

Visit FAOSTAT

Global Public Data

ITU DataHub

Telecommunication and digital-development indicators.

free public dataTechnologyPolicyData

Visit ITU DataHub

Global Public Data

WIPO Statistics

Intellectual property statistics and resources.

free public dataInnovationBusinessData

Visit WIPO Statistics

Global Public Data

UN SDG Global Database

Sustainable Development Goals data and metadata.

free public dataPolicySustainabilityData

Visit UN SDG Global Database

Interactive Virtual Labs

PhET Interactive Simulations

Interactive physics, chemistry and mathematics simulations.

free simulations; embedding rules applySciencesMathematics

Visit PhET Interactive Simulations

Interactive Virtual Labs

GeoGebra

Interactive geometry, graphing and algebra activities.

free core math tools; terms applyMathematicsEngineering

Visit GeoGebra

Interactive Virtual Labs

Desmos

Interactive graphing calculators and activities.

free math toolsMathematics

Visit Desmos

Interactive Virtual Labs

NASA Eyes

Interactive visualizations of NASA missions and space science.

free interactive experiencesSpaceSciences

Visit NASA Eyes

Interactive Virtual Labs

LabXchange

Digital science laboratory and learning content.

free science learning; account may be requiredBiologySciences

Visit LabXchange

Interactive Virtual Labs

HHMI BioInteractive

Biology learning media and interactive resources.

free educational resourcesBiologyHealth

Visit HHMI BioInteractive

Interactive Virtual Labs

JupyterLite

Browser-based Jupyter environment documentation and demos.

free in-browser coding toolsComputingData

Visit JupyterLite

Interactive Virtual Labs

Stellarium Web

Planetarium experience in a web browser.

free browser sky simulationAstronomySciences

Visit Stellarium Web

Interactive Virtual Labs

Google Earth

3D globe exploration and geographic visualization.

free public exploration; service terms applyGeographyEnvironment

Visit Google Earth

Interactive Virtual Labs

MolView

Web-based molecular structures and visualization.

free molecular visualizationChemistrySciences

Visit MolView

Careers & Skills

ESCO

European Commission classification of skills and occupations.

free occupational taxonomyCareersSkills

Visit ESCO

Careers & Skills

O*NET OnLine

U.S. occupational information and job competencies.

free occupation explorerCareersSkills

Visit O*NET OnLine

Careers & Skills

My Next Move

Explore interests and occupation families.

free career explorationCareersSkills

Visit My Next Move

Careers & Skills

Europass

Learning and career guidance tools.

free profile and skill tools; EU contextCareersEducation

Visit Europass

Careers & Skills

EURES

European job mobility services and information.

free European jobs portal; regional rules applyCareersEurope

Visit EURES

Careers & Skills

EURAXESS

Researcher career support and opportunity search.

free research career portalResearchCareers

Visit EURAXESS

Careers & Skills

CareerOneStop

Labor market and career resources for U.S. context.

free U.S. career guidanceCareersSkills

Visit CareerOneStop

Careers & Skills