> For the complete documentation index, see [llms.txt](https://docs.matestack.io/matestack-ui-core/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.matestack.io/matestack-ui-core/2.1.0/ui-in-pure-ruby/apps.md).

# Apps

- [App API](https://docs.matestack.io/matestack-ui-core/2.1.0/ui-in-pure-ruby/apps/app-api-1.md)