XWiki
Second generation wiki that allows the user to extend its functionalities with a powerful extension-based architecture.
XWiki is a self‑hostable, open‑source wiki platform that provides runtime services for building applications on top of its core. It includes a rendering engine and a commons library, all released together under the LGPL‑2.1 license, and is maintained as a stable, free‑tier project without subscription requirements.
The platform is designed for extensibility through a robust extension architecture, allowing developers to add or modify functionality without altering the core code. Comprehensive documentation covers the API, developer, administrator, and user guides, while a suite of development tools such as continuous integration, issue tracking, and a defined development flow supports ongoing contribution and maintenance.
XWiki targets organizations and individuals who need a customizable wiki solution that can serve as a foundation for bespoke applications. Its community‑driven model encourages contributions, and its public project health metrics provide insight into activity and stability.
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