Meanwhile, there are still a large number of excellent researchers in the world who specialize in books, science, and other intelligent information.

📌 Here’s a list of sites you’ve never heard of.

  • - Search for academic resources. More than a billion sources: encyclopedias, monographs, magazines.

  • - search for content from 20 thousand libraries around the world. Find out where the closest rare book you need is.

  • – access to more than 10 million scientific documents: books, articles, research protocols.

  • is a library of scientific journals on biosciences published in developing countries.

  • - volunteers from 102 countries collected almost 4 million publications on economics and related sciences.

  • is an American state search engine for more than 2,200 scientific websites. More than 200 million articles are indexed.

  • is one of the most powerful searches in academic studies texts. More than 100 million scientific documents, 70% of them free.