RILINK Schools: Barrington High School Online Library: Beyond Google

Meta-Search Engines

A metasearch engine (or search aggregator) is an online information retrieval tool that uses the data of a web search engine to produce its own results. (Wikipedia)

Dogpile
Dogpile is one of the oldest general metadata search engines out there. It pulls results from Google, Yandex, Bing, and more search engines.
DuckDuckGo
DuckDuckGo is a private meta-search engine that pulls in results from its own web crawler, as well as Bing, Yahoo, and WolframAlpha. It does save searches, but not in a personally identifiable way. They do not store IP addresses or unique User agent strings.
MetaCrawler
MetaCrawler was originally a project out of the University of Washington and was an essential landmark in the development of semantic search.
MetaGer
MetaGer aims to curb censorship by combining results from multiple search engines.
Startpage
A private meta-search engine that does not collect or share personal data, ensuring that your searches are completely private and anonymous. Originally known as Ixquick, this engine is notable for maintaining European Union privacy standards. Provides Google and Bing results.
Wolfram|Alpha - a computational knowledge engine
A specialized search engine, WOLFRAM|ALPHA uses built-in knowledge curated by human experts to compute on the fly a specific answer to every query. Accepts plain English. Ask questions, find & use calulators & formulas. Graphs and statistics are provided with answers. Includes background information, definitions & links.

Private Search Engines

Your privacy matters. These search engines don't collect or store personal data or track your online activity in a personally identifiable way.

DuckDuckGo
DuckDuckGo is a private meta-search engine that pulls in results from its own web crawler, as well as Bing, Yahoo, and WolframAlpha. It does save searches, but not in a personally identifiable way. They do not store IP addresses or unique User agent strings.
Mojeek
Mojeek is a true search engine with its own crawler that doesn't implement any kind of specific user tracking or record IP addresses.
Startpage
A private meta-search engine that does not collect or share personal data, ensuring that your searches are completely private and anonymous. Originally known as Ixquick, this engine is notable for maintaining European Union privacy standards. Provides Google and Bing results.

Another general search engine

SweetSearch
A search engine for students that emphasizes high quality, trustworthy resources for students and researchers that have been vetted by educators, librarians and research experts.

Specialized Search Engines

Specialized search engines are search tools that focus on a specific niche, topic or type of content, tailoring their algorithms to provide highly targeted and relevant results. For example, Zillow is a specialized real estate search engine.

arXiv
arXiv is a free distribution service and an open-access archive from Cornell University for nearly 2.4 million scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics.
Google Scholar
Google's specialized search engine that searches across many scholarly disciplines and worldly sources. Bonus: You can search JSTOR through GoogleScholar.
PubMed
PubMed® comprises more than 39 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.
Semantic Scholar
Semantic Scholar is a free AI-powered research tool for scientific literature that provides insights like citation graphs and offers features to track specific topics.
Web of Science
Web of Science provides in-depth citation tracking and analysis. It allows users to explore research trends and connect various related studies. It also includes indexes for scholarly journals, conference proceedings, and books.
Wolfram|Alpha - a computational knowledge engine
A specialized search engine, WOLFRAM|ALPHA uses built-in knowledge curated by human experts to compute on the fly a specific answer to every query. Accepts plain English. Ask questions, find & use calulators & formulas. Graphs and statistics are provided with answers. Includes background information, definitions & links.