Google Scholar is a free full-text search engine for scientific publications in all formats and disciplines. This scientometric database is the world leader in the aggregation of scientific papers, the presence of certain publications in it increases the likelihood of your article being cited by foreign colleagues.

eLIBRARY.RU is Russia's largest electronic library of scientific publications, which has rich capabilities for searching and analyzing scientific information. The library is integrated with the Russian Science Citation Index (RSCI), a free, publicly available tool for measuring the publication activity of scientists and organizations created by order of the Ministry of Education and Science of the Russian Federation. eLIBRARY.RU and RSCI are developed and supported by the Scientific Electronic Library ("Научная электронная библиотека") company.

Zenodo is a universal open access repository developed under the European OpenAIRE program and managed by CERN.

Open Access Infrastructure for Research in Europe (OpenAIRE) is a European database of open access articles.

EuroPub Publishing Company LTD, a corporation incorporated and operating under the laws of England. The EuroPub database began its scientific activity in 2015 and currently contains more than 27,000 journals and at least 700,000 articles.

CyberLeninka is a Russian scientific electronic library built on the concept of open science.

Index Copernicus (IC) is an online database of user information, including profiles of scientists as well as scientific institutions, publications and projects, created in 1999 in Poland and managed by Index Copernicus International.

SLIB.UZ is an electronic library with an extensive database of scientific journals and articles by Uzbek authors.

Science&Innovation - Official site of the international scientific journal "Science and Innovation".