Here are some search engines besides the big 3, Google, Bing, and Yahoo:

1. DuckDuckGo: Prioritizes user privacy and does not track search history.
   

2. Ecosia: An eco-friendly search engine that uses profits to plant trees.
   

3. Startpage: Provides Google search results while protecting user privacy.
   

4. Qwant: A privacy-focused search engine based in France.
   

5. Baidu: The leading search engine in China, primarily for Chinese users.
   

6. Yandex: Popular in Russia, offering a variety of services beyond search.
   

7. Ask.com: Focuses on providing answers to users' questions.
   

8. Dogpile: A meta-search engine that aggregates results from various search engines.
   

9. Search Encrypt: A privacy-oriented search engine that encrypts searches.
   

10. Searx: An open-source metasearch engine that respects user privacy.
    

These alternatives offer various features and benefits, especially regarding privacy and environmental impact.

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Wow, such a comprehensive list.

I am familiar with only a couple of search engines, most of the names on the list are entirely new for me. I am going to check each of these search engines.