Wikipedia
Verified working Aug 3, 2026
A volunteer-written encyclopedia spanning millions of articles in many languages.
Wikipedia is a nonprofit-hosted online encyclopedia written and maintained by a global community of volunteer editors. It offers searchable articles across hundreds of language editions, with official mobile apps for offline reading lists and cross-device syncing.
Why it stands out
- Extraordinary breadth, including millions of articles in English and large editions in many other languages.
- Community-edited model keeps many current events, biographies, and niche subjects updated quickly.
- Nonprofit operation separates the encyclopedia from subscription access or commercial publishing models.
- Connected Wikimedia projects extend beyond articles into media, dictionaries, textbooks, travel guides, and structured knowledge.
Good to know
- Article quality can vary because pages are written and revised by volunteers.
- It is best used as a starting point rather than as a sole source for academic, medical, legal, or high-stakes decisions.
- Coverage depth differs substantially by language edition and topic area.
Under the radar: When a topic looks thin in one language, check the same article in another language edition from the language links; some subjects are much better covered by local-language communities.
Photos
Students, journalists, and general researchers can use it for quick orientation on unfamiliar topics across many languages. Look up background context before reading more specialized or primary sources. Compare coverage of the same subject in different language editions. Save articles in the mobile app for offline reading while traveling or commuting.
Searchable encyclopedia articles; separate language editions with article counts shown by language; volunteer editing model; links to other Wikimedia projects such as Commons, Wiktionary, Wikibooks, Wikivoyage, and Wikidata; official Android and iOS apps with saved articles, offline access, synced reading lists, and reading customization.
Technical Notes
- Wikipedia content can be accessed programmatically through Wikimedia’s public MediaWiki APIs, including article queries and page metadata.
- Wikimedia also publishes downloadable database dumps for bulk reuse and analysis.
Alternative listings
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Digital ArchiveJSTOR Open Content brings together freely accessible scholarly materials on JSTOR, including journal articles, ebooks, primary sources, images, and research reports. The collections come from libraries, archives, museums, and publishers, making it useful for academic research and teaching without requiring institutional login for the open items.
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