Search Engines

Directory of the top search engines, meta search engines, and scholarly research tools from Baidu and Bing to Yandex and Yahoo.

  • Bing
    Second most popular search engine in the world. Developed by Microsoft.
  • Google
    World's leading search engine with trillions of indexed pages. - Also see: Google Books, Google Scholar
  • Yahoo!
    Widely used search engine powered by Bing.

Meta Search Engines

  • Carrot2
    Open source search results clustering engine that organizes search results into topics.
  • DuckDuckGo
    Search engine with a clean interface and an emphasis on user privacy.
  • iseek
    Clustering and meta search engine with portals for web, medical, education, and finance.
  • Qwant
    EU-based and privacy-focused search engine with its own indexing engine.
  • Startpage
    Combines the top results of multiple engines, primarily Gigablast and Yandex.

Academic Search Engines

  • BASE
    Operated by Bielefeld University Library, BASE provides an index of over 100M documents.
  • Instagrok
    Turns searches into an interactive concept map that surfaces key facts, relationships, and quizzes.
  • OpenMD
    Health search engine spanning medical organizations, journals, and databases. - Also see: Health Site Directory
  • RefSeek
    Web and document search engine for students and researchers. - Also see: Document Search
  • ResearchGate
    Searchable library of 135 million scientific publications and questions.

International Search Engines

  • Baidu
    Leading search engine in China with web, image, and video search options.
  • Yandex
    Russia's most popular search engine for websites, news, and media.