Search engines


  1. Google largest and most popular search engine for text, image, video and more
  2. YouTube search engine
  3. Bing search engine
  4. DuckDuckGo engine that places particular emphasis on the protection of the user’s personal date and the avoidance of filtered, personalized results to eliminate the possibility of filter bubble
  5. CC Search engine focused on Creative Commons licensed content
  6. Lycos search engine in operation
  7. SweetSearch performs searches only within selected sites that have been evaluated by scientists, teachers and librarians. Search results are constantly being assessed to ensure the best user experience.


MetaSearch Engines


  1. Dogpile engine that simultaneously gathers and produces results from leading search engines, such as Google, Yahoo!, Yandex, Bing and more.


Other search tools

General sources


  1. Europeana : Europeana or the European Digital Library opened its doors to the public on November 20,2008. The European digital library provides access to two million books, maps, recordings, photographs, archival documents, paintings and films, materials from the national libraries and cultural institutions of the 27 Member States of the European Union.
  2. New York Public Library Best of the Web of sites selected by librarians of the New York Public Library
  1. Google Books search engine among millions of books digitized as part of the Library Project. Full text access is available books belonging to the public domain.
  2. findingDulcinea online guide that aims to help users search for information by providing test, reliable and high quality material.
  3. Sources searchable database compiled by specialized media professionals.
  4. Library and Archival Exhibitions on the Web – of over 300 links to online library exhibitions, archives and museums around the world.


Encyclopedias and Dictionaries


  1. The Internet Encyclopedia of Philosophy in 1995 with the aim of providing access to detailed, academic, peer reviewed, information sources on philosophy and philosophers
  2. Wordnik – Online dictionary designed to gather all the words in the English language.It provides definitions and etymologies from various, recognized dictionaries.
  3. Stanford encyclopedia of Philosophy Philosophy encyclopedia.Entries are constantly enriched and renewed by teams of specialized scientists.




  1. Khan Academy Academy offers hands-on practice materials, educational videos and a personalized learning environment to help students study at their own pace in and out of the classroom.It has content related to Mathematics, Science, Programming, History, Art History, Economics and more.It collaborates with organizations such as NASA, the Museum of Modern Art, MIT and others to develop its content.
  2. Subject Finder database of educational websites, including Teum Teklehaimanot teaching and learning materials.
  3. of Open Access Journals. The journals cover all branches of the arts and sciences.All magazines are peer reviewed.




  1. WolframAlpha search engine. Unlike common search engines that return results on the user’s query, WolframAlpha returns precise answers. Extremely useful in all branches of science.
  2. NRICH NRICH is an innovative collaboration between the Departments of Mathematics and Pedagogical Studies at the University of Cambridge. It provides access to thousands of free math resources for students aged 3 to 18, covering all stages of education.
  3. Math Guide reliable information on the science of Mathematics (in English)
  4. Physics World thematic portal of Physics (in English).
  5. Sci Central scientific, thematic portal covering Biosciences, Health Sciences, Physics and Chemistry, Earth and Outer Space, as well as Technological Sciences.




  1. ADS : thematic portal of Archaeology in Great Britain.
  2. iDAI : Portal of the German Archaeological Institute (DAI).It is a digital research environment based on tools and repositories that all researchers, historians and archaeologists to collect, analyze, examine, study, publish and store research data and creative products.
  3. The Digital Atlas of Roman and Medieval Civilizations and databases with information on many aspects of Roman and Medieval Civilizations.




  1. Artcyclopedia dedicated to the fine arts.
  2. Google Arts & Culture platform that allows viewing of artworks in high resolution. Available in 18 languages.
  3. Web Gallery of Art is a virtual museum and searchable database of European fine arts from the 3rd to the 19th century.
  4. Visual Arts Data Service thematic portal of visual arts (in English)