Search engines selection

A web search engine for students and researchers. RefSeek searches more than five billion documents, including web pages, books, encyclopedias, journals, and newspapers.

Providing access to millions of scientific documents from journals, books, series, protocols, reference works and proceedings. Science, technology, medicine, humanities & social...

Chat and create. Ask real questions, get complete answers as if you had a research assistant, personal planner, and creative partner at your side whenever you search the web.

One of the world's most voluminous search engines especially for academic web resources. More than 340 million documents and about 60% of the indexed documents for free.

Explore resources in libraries from one easy search box. By connecting thousands of libraries’ collections in one place, you can search for books, music, video, articles and more.

A free search engine which allows you to search, preview and download millions of PDF files into your devices. PDF Drive library stays up-to-date and all files have cover photos.