what is wikimedia
The Wikimedia Foundation is the non-profit organization that operates Wikipedia and other free knowledge projects. Together these sites are the fifth most visited web property in the world.The Wikimedia Foundation is a 501(c)(3) tax-exempt non-profit organization with offices in San Francisco, California, USA.You can review our letter of tax-exemption and our financial reports and annual filings.he Wikimedia Foundation is a 501(c)(3) tax-exempt non-profit organization with offices in San Francisco, California, USA. You can review our letter of tax-exemption and our financial reports and annual filings.