handbookFree
Cochrane
The official guide to how Cochrane systematic reviews of interventions are planned, run and reported. The current edition is version 6.5 (2024), edited by Julian Higgins and James Thomas, and it can be read online at no cost.
Online reference
databaseFree
EQUATOR Network
A searchable catalogue of more than 700 reporting guidelines for health research. You can filter it by study type, clinical area and report section to find the right checklist for a manuscript.
Online reference
handbookFree
GRADE Working Group
A handbook by Schünemann, Brożek, Guyatt and Oxman on rating the certainty of evidence and the strength of recommendations with the GRADE approach. It was last updated in 2013 and, according to the page, is being replaced by the newer GRADE Book, but it remains available online.
Online reference
guidelineFree
SPIRIT–CONSORT Group
The official home of the 2025 SPIRIT checklist for trial protocols and the 2025 CONSORT checklist for reporting randomised trial results. Checklists, explanation papers and free online writing aids can all be downloaded at no cost.
Online reference
guidelineFree
PRISMA Group
The main reporting guideline for systematic reviews and meta-analyses. The site provides the checklist, the flow-diagram template, the explanation papers, extensions for other review types and translations.
Online reference
guidelineFree
International Committee of Medical Journal Editors (ICMJE)
The widely adopted standards on authorship, conflicts of interest, peer review and publication ethics for medical journals. The latest version, updated January 2026, can be read online or downloaded as a PDF.
Online reference
courseFree with registration
Global Health Training Centre (The Global Health Network)
An eight-module e-learning course, taking about three hours, on the updated ICH E6(R3) Good Clinical Practice guideline across the life of a trial. It is offered in English, Spanish, French and Portuguese, and learners who score at least 80% on the final quiz receive a certificate.
Self-paced online
courseFree with registration
World Health Organization
WHO's open learning platform, with self-paced courses on outbreaks, emergency response, infection prevention and control, clinical management and other public health topics. The courses are multilingual, work on low bandwidth, and many offer a certificate.
Self-paced online
courseFree
World Health Organization
A WHO self-study package from 2014 with nine modules on assessing and treating sick children, covering danger signs, cough, diarrhoea, fever, malnutrition, HIV and more. It also includes a facilitator guide, implementation guidance and a logbook.
PDF
guidelineFree
World Health Organization
WHO's 2009 guidance on patient safety in surgery, which supports the Safe Surgery Saves Lives initiative. The 124-page document can be downloaded free in several languages.
PDF
textbookFree
OpenStax (Rice University)
An openly licensed (CC BY 4.0) two-semester textbook of human anatomy and physiology, organised by body system. It is free to read online or as a PDF, and its figures can be reused with attribution.
Online and PDF
courseFree
U.S. National Library of Medicine
NLM's official training for searching PubMed, including short video quick tours, longer tutorials, on-demand classes and handouts. It is regularly updated, and some classes ask for free registration.
Self-paced online
databaseFree
Servier
A free library of more than 3,000 medical illustrations covering anatomy, physiology, pathology and treatment. The images are licensed CC BY 4.0, so they can be adapted for slides, posters, theses and articles with attribution.
Image library
handbookFree
FDI World Dental Federation
FDI's 2015 atlas on the global burden of oral disease, covering caries, periodontal disease, oral cancer, risk factors, inequalities and prevention. It can be downloaded free in English, French and Spanish, and a free MOOC based on it is also available.
PDF