The Wikimedia Foundation Inc. is a non-profit organization with the goal of providing free knowledge to every person in the world. Meeting this goal through the maintenance, development and distribution of free content, Wikimedia relies on public donations to run its wiki-based projects.

Wikimedia provides computing and network resources to create and distribute many reference works including Wikipedia, Wiktionary, Wikiquote, Wikibooks, Wikinews, Wikisource and the Wikimedia Commons. The content of these projects is provided to the public free of charge.