The mission of Librarians' Index to the Internet is to provide a well-organized point of access for reliable, trustworthy, librarian-selected Internet resources, serving California, the nation, and the world.

A virtual library of Internet resources relevant to faculty, students, and research staff at the university level. It contains useful Internet resources.

For General Library & Information Technology Center, by University of Tokyo Library.

Provides a central access point for value-added topical guides that identify, describe, and evaluate Internet-based information resources. One of the best critical internet research guide rewarded by Scout Report.

Earth's largest free full-text index of scientific literature。

The most comprehensive, science-focused search engine on the market, received the 2004 "Best Directory or Search Engine” WebAward from the Web Marketing Association (WMA).

Founded by Science and Technology Information Center, National Science Council

Search specifically for scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research. Use Google Scholar to find articles from a wide variety of academic publishers, professional societies, preprint repositories and universities, as well as scholarly articles available across the web.