The Wikimedia movement is the global community of contributors to the Wikimedia projects, including Wikipedia. This community directly builds and administers these projects with the commitment of achieving this using open standards and software. First created around and by Wikipedia's community of volunteer editors (Wikipedians), it has since expanded to other projects like Wikimedia Commons and Wikidata and volunteer software engineers and developers contributing to the software used to power Wikimedia, MediaWiki.

Projects

Content projects

Wikimedia's content projects include:

Infrastructure and interface projects

Other supporting projects in the Wikimedia movement include:

Organizations

Project communities

The Wikimedia community includes a number of communities devoted to single wikis:

Meta community

A multilingual cross-project community developed on the Meta-Wiki (meta.wikimedia.org) where translation and governance discussions happen.

Wikipedia community

The Wikipedia community, known as Wikipedians, is the community of contributors of the online encyclopedia Wikipedia. It consists of editors, some operating Wikipedia bots, and administrators. The Arbitration Committee (or ArbCom) is a court of last resort for disputes on Wikipedia.

Wikipedians in residence

Wikipedians in residence are Wikipedians and Wikimedians who collaborate with a cultural institution to help integrate its work into the projects.

Thematic organizations

Thematic organizations are charities, similar to chapters, founded to support Wikimedia projects in a subject focal area. there are two such organizations.

Wikimedia chapters

National and regional community groups have incorporated chapters, charitable organizations that support Wikimedia projects and their participants in specified countries and geographical regions. there are 39 chapters. Over time the agreements between chapters and WMF became more formalized. Wikimedia Deutschland (WMDE) is the oldest chapter, holding its first meeting in 2004. As of 2016, it had a budget of €20 million. Some chapters such as WMDE get some of their funds directly from grants and supporting memberships. Some others get their funds primarily from annual plan grants from WMF. As of 2019, roughly 10% of the WMF budget is distributed in this way to chapters and thematic organizations.

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Wikimedia Foundation

The Wikimedia Foundation (WMF) is an American non-profit and charitable organization headquartered in San Francisco. It owns the domain names and maintains most of the movement's websites. According to WMF's 2015 financial statements, in 2015 WMF had a budget of US$72 million, spending US$52 million on its operation, and increasing its reserves to US$82 million. WMF is primarily funded by donations with the average donation being $15. WMF was founded in 2003 by Jimmy Wales so that there would be an independent charitable entity responsible for the domains and trademarks, and so that Wikipedia and its sister projects could be funded through non-profit means in the future. Its purpose was "... to empower and engage people around the world to collect and develop educational content under a free license or in the public domain, and to disseminate it effectively and globally."

Wikimedia user groups

There are over 800 language editions of different Wikimedia projects, each with groups of editors working on areas of shared interest. Some have Wikiprojects with their own project pages, membership lists, and open task trackers. Some also register as community user groups to participate in movement governance, use community logos outside of the wikis, and receive grants for events and projects. , there are over 140 user groups.