Yahoo and Bing are also major competitors. Check out Yandex for a search engine from the Eastern European side of the world. Look at Duck Duck Go for one that doesn't ever want to track you. Looking for serious security? Try Search Encrypt or Swisscows. Remember ask Jeeves? It is now simply Ask. Want a user compiled search engine? Wiki is for you! Here are a few search engines popular in mainland China: Sogou and Baidu. "The Google of South Korea?" Naver.