A number of content forks of the open-source encyclopedia Wikipedia have been created:
- Enciclopedia Libre, a 2002 fork of the Spanish Wikipedia created in opposition to perceived plans to add advertising to Wikipedia
- Conservapedia, a 2006 fork of the English Wikipedia that aims to present a conservative-friendly worldview
- Qiuwen Baike, a 2022 fork of the Chinese Wikipedia that aims to be compliant with Chinese government policies
- Ruwiki (Wikipedia fork), a 2023 fork of the Russian Wikipedia that aims to be compliant with Russian government policies