विकिपीडिया, कश्चन स्वतन्त्रः विश्वकोशः
- The official website of the International Academy of the History of Science
- The official website of the Division of History of Science and Technology of the International Union of History and Philosophy of Science
- A History of Science, Vols 1–4, online text
- Contributions of 20th century Women to Physics ("CWP")
- History of Science Society ("HSS")
- The CNRS History of Science and Technology Research Center in Paris (France). This center develop different websites about history of science & tech. : Ampère and history of electricity, Lamarck : works and heritage, Buffon Online, etc. and, recently, the netvibes portal History Of Science In France
- The official site of the Nobel Foundation. Features biographies and info on Nobel laureates
- The Institute and Museum of the History of Science in Florence, Italy
- The Royal Society, trailblazing science from 1650 to date
- The Vega Science Trust Free to view videos of scientists including Feynman, Perutz, Rotblat, Born and many Nobel Laureates.
- Toward the Scientific Revolution From MIT OpenCourseWare, class materials for the history of science up to and including Isaac Newton.
- Orotava Foundation for the History of Science, Canary Islands, Spain The History of Science in Spain. Free contents (books, lectures and expositions) on History of Science and digital library.
- National Center for Atmospheric Research (NCAR) Archives
- British Society for the History of Science Travel Guide. This site is for anyone interested in visiting places with ties to the history of science, technology and medicine, anywhere in the world.