It seems like you're referring to a search engine!

Here are some of the most popular search engines:

1、Google: The most widely used search engine, known for its relevance and accuracy.
2、Bing: Microsoft's search engine, which powers Yahoo! search results as well.
3、Yandex: A Russian search engine popular in Russia and other Slavic countries.
4、Baidu: The leading search engine in China, known for its dominance in the Chinese market.
5、DuckDuckGo: A privacyfocused search engine that doesn't track users' search history.
6、StartPage: Another private search engine that doesn't track users' data and provides Google search results.
7、Qwant: A French search engine that emphasizes user privacy and doesn't track search history.

These are just a few examples, and there are many other search engines available, each with their own strengths and features.

Are you looking for a specific type of search engine or have any particular requirements?