Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects:

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Jun 3, 2026 · Wikipedia, free Internet-based encyclopedia, started in 2001, that operates under an open-source management style. It is overseen by the nonprofit Wikimedia Foundation.

Wir sind der gemeinnnützige Verein hinter der Wikipedia und unterstützen die Ehrenamtlichen, sichern und entwickeln die technische Infrastruktur und setzen uns für den freien Zugang zu Wissen ein.

Welcome! The Wikimedia movement is a global community of people, projects, and activities working together to create and share knowledge freely. Join us in making all knowledge available to …

Jun 16, 2026 · This app is made by the Wikimedia Foundation, a nonprofit organization that supports and operates Wikipedia. We provide this service in the pursuit of open knowledge that’s always ad …

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Bienvenidos a Wikipedia, Artículo destacado Tecnecio Tecnecio. El tecnecio es el más ligero de los elementos químicos que no cuentan con isótopos estables y el primer elemento sintético que se …

En enero de 2023, Wikipedia actualizó su interfaz de escritorio por primera vez desde 2012.