Wikipedia
Wikipedia() is a free online encyclopedia website in 336 languages of the world. 324 languages are currently active and 12 are closed. People can freely use it, share it, and change it, without having to pay. It is also one of the biggest wiki organizations. People can choose to donate to the Wikimedia Foundation to fund Wikipedia and its sister projects. It is an open content website. This means anyone can copy or edit it and make changes to it if they follow the rules for copying or editing.