- 28 October 2021 Lombard Wiktionary, Amis Wikipedia, and Paiwan Wikipedia have been created.
- 4 August 2021 (from Multilingual Wikisource): Javanese Wikisource have been created
- 30 June 2021 Dagbani Wikipedia and Tachelhit Wikipedia have been created.
- 16 March 2021 Mon Wiktionary, Taroko Wikipedia and Tayal Wikipedia have been created.
- 22 February 2021 Meitei Wikipedia, Meitei Wiktionary and Southern Altai Wikipedia have been created.
- 19 January 2021 Turkish Wikivoyage has been created.
- 11 January 2021 Nias Wikipedia, Nias Wiktionary, Central Bikol Wiktionary and Zazaki Wiktionary have been created.