Wikimedia Foundation Skip to content Wikimedia Foundation Toggle menu Wikimedia Foundation Current language: en English العربية (العالم) 中文 (繁体中文) Français (France) Русский (Россия) Español (España) Deutsch (Deutschland) Donate now Our Work Support Wikipedia Research Advocacy Technology News Participate About Toggle search Search Imagine a world in which every single human being can freely share in the sum of all knowledge. उस दुनिया की कल्पना करें जिसमें हर एक इंसान स्वतंत्र रूप से सभी ज्ञान के योग में साझा कर सकता है। Imaginez le monde dans lequel chaque être humain peut partager librement la somme de toutes les connaissances. تخيل عالما يستطيع فيه كل أنسان ان يشارك بحريه في مجموع المعرفة Imagine el mundo en el que cada ser humano puede compartir libremente la suma de todo el conocimiento. Responding to COVID-19 In this time of uncertainty, our enduring commitment is to provide reliable and neutral information for the world. Learn more The nonprofit Wikimedia Foundation provides the essential infrastructure for free knowledge. We host Wikipedia, the free online encyclopedia, created, edited, and verified by volunteers around the world, as well as many other vital community projects. All of which is made possible thanks to donations from individuals like you. We welcome anyone who shares our vision to join us in collecting and sharing knowledge that fully represents human diversity. Protect and sustain Wikipedia Donate now Donations are secure English · العربية (العالم) · 中文 (繁体中文) · Français (France) · Русский (Россия) · Español (España) · Deutsch (Deutschland) 1 Wikimedia projects belong to everyone You made it. It is yours to use. For free. That means you can use it, adapt it, or share what you find on Wikimedia sites. Just do not write your own bio, or copy/paste it into your homework. 2 We respect your data and privacy We do not sell your email address or any of your personal information to third parties. More information about our privacy practices are available at the Wikimedia Foundation privacy policy, donor privacy policy, and data retention guidelines. 3 People like you keep Wikipedia accurate Readers verify the facts. Articles are collaboratively created and edited by a community of volunteers using reliable sources, so no single person or company owns a Wikipedia article. The Wikimedia Foundation does not write or edit, but you and everyone you know can help. 4 Not all wikis are Wikimedia The word “wiki” refers to a website built using collaborative editing software. Projects with no past or existing affiliation with Wikipedia or the Wikimedia Foundation, such as Wikileaks and wikiHow, also use the term. Although these sites also use "wiki" in their name, they have nothing to do with Wikimedia. 200,000+ editors contribute to Wikimedia projects every month Tweet this 47+ million media files on Wikimedia Commons Tweet this 1+ billion unique devices access Wikimedia projects every month Tweet this Research We conduct our own research and partner with researchers worldwide to address change in society and technology. More about research Technology From site reliability to machine learning, our open-source technology makes Wikipedia faster, more reliable, and more accessible worldwide. More about technology Advocacy We fight to protect everyone’s right to access free and open knowledge. More about advocacy Projects — Projekte Collaborative projects are the core of the Wikimedia movement. Our volunteers build tools, share photos, write articles, and are working to connect all the knowledge that exists. See all projects Wikipedia Free encyclopedia written in 300 languages by volunteers around the world. Wikimedia Commons The world's largest free-to-use library of illustrations, photos, drawings, videos and music. NEWS — НОВОСТИ  See what we have been up to 17 December 2020 What Wikipedia saw during election week in the U.S., and what we’re doing next Election Day in the United States was a critical moment for the country, with impacts that will extend well beyond one election cycle. For many Americans, it was an anxiety-inducing event. While voters waited — and waited — for the results to come in, Wikipedia editors across the globe stood ready. As one of the…. Read more 16 December 2020 The majesty of nature (and an abundance of birds) on full display in Wiki Loves Earth 2020 In the volcanic valleys of Russia, a red fox lies alert amongst chossy boulders; in the treetops of Thailand, an owl precariously slumbers; and in the forests of Bangladesh,  a venomous pit viper stalks its prey. As unprecedented as 2020 has been, this year’s Wiki Loves Earth photography competition presents a stunning view of the…. Read more Help us unlock the world’s knowledge. As a nonprofit, Wikipedia and our related free knowledge projects are powered primarily through donations. Donate now Connect — اتصل Stay up-to-date on our work. Get email updates Subscribe to news about ongoing projects and initiatives. Email address Subscribe This mailing list is powered by MailChimp. The Wikimedia Foundation will handle your personal information in accordance with this site's privacy policy. Contact a human Questions about the Wikimedia Foundation or our projects? Get in touch with our team. Contact Follow Facebook Connect with us on Facebook @Wikimedia Connect with us on Twitter Instagram Connect with us on Instagram (opens new window) Photo credits Set Knowledge Free mural Tomi Um CC BY-SA 4.0 Lighting through the ages Maurice Dessertenne Public domain Wikimedia Conference 2017 Jason Krüger/Wikimedia Deutschland e.V. 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