- 维基百科 wéijībǎikē WikipediaThe free, collaborative, multi-language online encyclopedia.
- 维基数据 wéijīshùjù Wikistats (obsolete)Wikistats (stats.wikimedia.org); an online tool providing statistics for Wikimedia projects
- 维基解密 wéijījiěmì WikiLeaksWikiLeaks; the international non-profit whistleblower organization
- 维基词典 wéijīcídiǎn WiktionaryWiktionary; the collaborative multilingual online dictionary project
- 维基物种 wéijīwùzhǒng WikispeciesWikispecies; an online project run by the Wikimedia Foundation to catalog all known species
- 维基媒体基金会 wéijīméitǐjījīnhuì Wikimedia FoundationThe non-profit organization that manages Wikipedia and other collaborative projects
