Bielefeld Academic Search Engine

BASE is a multidisciplinary search engine developed by the Bielefeld University Library in Bielefeld, Germany, for scholarly online resources.

CiteSeerX

Scientific and academic articles, mostly in the domains of computer and information science, can be found in the public search engine and digital library CiteSeerX.

GoTriple

The one-stop shop to locate peers and find and utilize open scholarly resources in the social sciences and humanities.

WorldWideScience.org

WorldWideScience.org is an international gateway to science that consists of national and international scientific portals and databases.

Education Resources Information Center

Semantic Scholar

Semantic Scholar is a search engine for academic papers supported by artificial intelligence.

ScienceOpen

ScienceOpen provides publishers and institutions with platform hosting and promotional services, and it is openly accessible to anyone.

Science.gov

A specialized search engine and web portal is called Science.gov. Science.gov is the portal to US government scientific and technical data and research, and it does so by utilizing federated search technologies.

ScienceGate

Finding, organizing, and downloading academic publications from more than 1 million sources—including 87K journals—is quick and easy with ScienceGate.

MyScienceWork

MyScienceWork supports open science, unrestricted knowledge diffusion, and easy access to scientific papers for the benefit of the global scientific community. Over 12 million patents and over 90 million scientific publications are available in our extensive database.

Science Research.com

ScienceResearch.com offers a new, powerful user interface created especially for advanced scientific study, as well as a single point of access to over 400 high-quality, publicly searchable science and technology libraries.

SciRide Finder

An approach to biomedical literature search that is citation-based.