> For the complete documentation index, see [llms.txt](https://xoops.gitbook.io/xoonips-tutorial/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xoops.gitbook.io/xoonips-tutorial/2startguide.md).

# 2. Start guide

* [What is XooNIps ?](https://github.com/XoopsDocs/xoonips-tutorial/tree/b212e31226a6e7cba442f80b219f598c12991c7a/en/book/2startguide/1what_is_xoonips.md)
* Main features
  * [2.1. Flexible database construction](https://github.com/XoopsDocs/xoonips-tutorial/tree/b212e31226a6e7cba442f80b219f598c12991c7a/en/book/2startguide/21flexible_database_construction.md)
  * [2.2. Data classification](https://github.com/XoopsDocs/xoonips-tutorial/tree/b212e31226a6e7cba442f80b219f598c12991c7a/en/book/2startguide/22data_classification.md)
  * [2.3. Quality-maintenance workflow](https://github.com/XoopsDocs/xoonips-tutorial/tree/b212e31226a6e7cba442f80b219f598c12991c7a/en/book/2startguide/23quality-%20maintenance_workflow.md)
  * [2.4. Metadata distribution](https://github.com/XoopsDocs/xoonips-tutorial/tree/b212e31226a6e7cba442f80b219f598c12991c7a/en/book/2startguide/24metadata_distribution.md)
  * [2.5. Variety of accessory functions](https://github.com/XoopsDocs/xoonips-tutorial/tree/b212e31226a6e7cba442f80b219f598c12991c7a/en/book/2startguide/25variety_of_accessory_functions.md)