Quelques moteurs de recherches et assimilés
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* généralistes

   * `Google Search <https://google.com>`_
   * `Bing <https://www.bing.com/>`_
   * `Qwant <https://www.qwant.com/>`_
   * `DuckDuckGo <https://duckduckgo.com/>`_
   * `Swisscows <https://swisscows.ch/>`_

* images

   * `Google Image <https://www.google.fr/imghp>`_
   * `Tineye <https://tineye.com>`_

* universitaires

   * `Google Scholar <https://scholar.google.fr/>`_
   * `cairn <https://www.cairn.info/>`_ (BDD)
   * `persee <https://www.persee.fr>`_

* développement logiciel

   * `github <https://github.com/search>`_
   * `stackoverflow <https://stackoverflow.com/>`_

* livres archivés

   * `Google Books <https://books.google.fr/>`_
   * `Gallica <https://gallica.bnf.fr>`_

* tendances

   * `twitter <https://twitter.com/i/trends>`_
   * `Google Trends <https://trends.google.fr/trends/?geo=FR>`_

* autres

   * `Wolfram Alpha <https://www.wolframalpha.com/>`_