The Cochrane Collaboration is an independent, nonprofit, nongovernmental organization consisting of a group of more than 31,000 volunteers in more than 120 countries. The collaboration was formed to organize medical research information in a systematic way to facilitate the choices that health professionals, patients, policy makers and others face In health interventions according to the principles of evidence-based medicine (EBM). The group conducts systematic reviews of randomized controlled trials of health-care interventions published in the Cochrane Library.

The CISMeF (Catalogue et Index des Sites Médicaux de langue Française) is a system of medical metadata in French launched and maintained by the University Hospital of Rouen.

The CEBM (Centre for Evidence-based Medicine) was established in Oxford as the first of several UK centres with the aim of promoting evidence-based health care. CEBM provides free support and resources to doctors, clinicians, teachers and others interested in learning more about EBM. The centre runs a range of courses and workshops. This website provides a comprehensive list of online EBM resources, free EBM tools and resources to help you practice EBM and much more including links to the latest research and publications.

Medscape is a web resource for physicians and other health professionals. It features peer-reviewed original medical journal articles, CME (Continuing Medical Education), a customized version of the National Library of Medicine’s MEDLINE database, daily medical news, major conference coverage, and drug information – including a drug database (Medscape Drug Reference, or MDR) and drug interaction checker. All content in Medscape is available free of charge for professionals and consumers alike, but registration is required.

MedHunt is a search engine of the trustworthy websites and support groups, medical images and terminology, journal articles, and news offered by HON (Health On the Net Foundation), a not-for-profit organization founded in 1995 under the auspices of the Geneva Ministry of Health.

Hardin MD (Hardin Meta Directory) was first launched in 1996, as a source to find the best lists, or directories of information in health and medicine. The site was conceived as a “directory of directories”. Hardin MD provides access to numerous databases, other medical resources, and a collection of photographs classified by the field of medicine.

MedicalStudent.com is a digital library of authoritative medical education information for all students of medicine and physicians. MedicalStudent.com contains many electronic textbooks classified by subject and links to useful databases and other digital resources.

RxList (Internet Drug Index) is an online medical resource dedicated to offering detailed and current pharmaceutical information on brand and generic drugs. Founded in 1995, RxList is the premier Internet Drug Index resource. RxList contains an alphabetical listing of drug names, patient education materials, a very useful pill identification tool, and a contact form.

Supercourse (a part of Science Supercourse) is a repository of lectures on global health and prevention designed to improve the teaching of prevention. Supercourse has a network of over 56000 scientists in 174 countries who are sharing for free a library of almost 6,000 lectures in over 30 languages. The Supercourse has been produced at the WHO Collaborating Center University of Pittsburgh. Supercourse is designed to be a resource for teachers, professors, and other educators. Everyone may submit lectures as Microsoft PowerPoint Presentations.

HealthMash™ is an acronym for Health Knowledge Base and Semantic Search and Discovery Engine for Trusted Health Information. HealthMash™ is WebLib’s health and medical knowledge base and semantic search engine. HealthMash™ uses natural language processing and semantic technology tools to find the most relevant results. The mission of HealthMash™ is to promote health and well being in the world by providing personally relevant information from trusted health sites on the Web.

Esculap.com (only in Polish) is a web resource for physicians and other health professionals. It features journal articles, medical news, major conference coverage, drug information – including a drug database (Esculap+Pharmindex), multimedia, and online bookshop.

Medycyna Praktyczna (only in Polish) is a medical publisher and web resource for physicians and patients. It features various guides (e.g. Medline), drug database (Indeks leków MP), medical practice management software (eMPendium), information on trainings, courses and conferences, medical news, forums, multimedia, online bookshop, and much more.