DuckDuckGo is an alternative search engine that has rich features, respects your privacy, and is built from free/open-source software.
Searx is a free internet metasearch engine which aggregates results from more than 70 search services. Users are neither tracked nor profiled. Additionally, searx can be used over Tor for online anonymity.
Google Search is the most popular search engine on the Internet. Google can search for webpages, images, videos, news, and various other forms of media.
Wolfram Alpha is a "Computational Knowledge Engine" - different from a search engine, it answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that might contain the answer.
Ecosia is a green search engine that donates at least 80% of its profits from search ad revenue and online shopping to a reforestation program, currently in Burkina Faso. In November 2015 Ecosia celebrated 3 million planted trees and $5 Million donated for the environment.
Qwant is a European web search engine, launched in July 2013 and operated from Paris. It is the only EU-based search engine with its own indexing engine. It claims not to employ user tracking and doesn't personalize search results in order to avoid trapping users in a filter...
YaCy is a free search engine that anyone can use to build a search portal for their intranet or to help search the public internet. When contributing to the world-wide peer network, the scale of YaCy is limited only by the number of users in the world and can index billions of...
Bing (formerly Live Search, Windows Live Search, and MSN Search) is the current web search engine (advertised as a "decision engine") from Microsoft.
Yandex is the fastest growing search engine in the world, serving primarily Russian users. It has been experimenting with an English-based search engine, but its main operations are for its Cyrillic engine.