Websites which mirror Wikipedia

Facebook is an American social networking service owned by the American technology conglomerate Meta Platforms. It was founded in 2004 by Mark Zuckerberg, along with his Harvard College roommates and fellow students Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes. The name Facebook derives from the face book directories often given to American university students.

Google Search is a search engine operated by Google. It allows users to search for information on the Web by entering keywords or phrases. Google Search uses algorithms to analyze and rank websites based on their relevance to the search query. Google Search is the most-visited website in the world. As of 2025, Google Search has a 90% share of the global search engine market. Approximately 24.1% of Google's monthly global traffic comes from the United States, 5.6% from India, 5.5% from Japan, 4.8% from Brazil, and 3.7% from the United Kingdom according to data provided by Similarweb. The same source reports that 58% of users are male and 42% are female.

web search engine from Microsoft

WolframAlpha is an online knowledge engine developed by Wolfram Research that has been around since 2009. It is offered as an online service that answers queries by computing answers from externally sourced data.

Wikiwand, formerly stylized as WikiWand, is a commercial proprietary interface developed by an Israeli company for viewing Wikipedia articles. Its interface includes a sidebar menu displaying the table of contents, a navigation bar, personalized links to other languages, new typography, access to previews of linked articles, display advertisements, and sponsored articles. The interface is available on Chrome, Firefox, and Microsoft Edge as well as via Wikiwand's website.

thumb|right|Wapedia front page as displayed on a Nokia [[cellphone ]]

Israeli internet company

Answers.com (previously WikiAnswers and originally GuruNet) is an Internet-based knowledge exchange. The Answers.com domain name was purchased by entrepreneurs Bill Gross and Henrik Jones at idealab in 1996. The domain name was acquired by NetShepard and subsequently sold to GuruNet and then AFCV Holdings. The website is now the primary product of the Answers Corporation. It has tens of millions of user-generated questions and answers, and provides a website where registered users can interact with one another.

Reference.com is an online encyclopedia that organizes content that uses a question-and-answer format. Articles are organized into hierarchical categories.

free online dictionary and encyclopedia.