The mission of the Wikimedia Foundation is to empower and engage people around the world to collect and develop educational content under a free license or in the public domain, and to disseminate it effectively and globally. In coordination with a network of individual volunteers and our independent movement organizations, including recognized Chapters, Thematic Organizations,….

Wikipedia is a free online encyclopedia. The amount of information on Wikipedia is practically unlimited, but Wikipedia does not aim to contain all knowledge. What to exclude is determined by an online community committed to building a high-quality encyclopedia. These exclusions are summarized as things that Wikipedia is not.