Wikimedia CH - Association for the advancement of free knowledge is a non-profit association aimed to support the free dissemination of knowledge in Switzerland, including projects hosted by the Wikimedia Foundation, including the free encyclopedia Wikipedia, the multimedia database Wikimedia Commons, the collection of educational texts Wikibook, the news portal Wikinews, the collection of quotations Wikiquote or the collection of books Wikisource.
Created on May 14th 2006, it brings together participants and users of Wikimedia projects. They speak the four official languages of Switzerland (German, French, Italian and Romansch) and Alemannic dialects. It is recognized as a local association by the Wikimedia Foundation. However, it is a financially and legally independent entity, obeying different rules and leadership. Wikimedia CH does not host any of the projects of the Wikimedia Foundation and has no publishing right on them.