DuckDuckGo is an alternative search engine that has rich features, respects your privacy, and is built from free/open-source software.
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.
Bing (formerly Live Search, Windows Live Search, and MSN Search) is the current web search engine (advertised as a "decision engine") from Microsoft.
Ask.com (or Ask Jeeves in the United Kingdom) is a search engine that allows users to get answers to questions posed in everyday, natural language, along with traditional keyword searching. Ask.com also includes support for math, dictionary, and conversion questions.
The search engine that helps you find exactly what youre looking for. Find the most relevant information, video, images, and answers from all across the Web. Yahoo! Search is a web search engine, owned by Yahoo! Inc.