> For the complete documentation index, see [llms.txt](https://docs.atomui.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.atomui.com/build-system.md).

# Build System

- [Gulp](https://docs.atomui.com/build-system/gulp-build-system.md): gulp is a toolkit for automating painful or time-consuming tasks in your development workflow, so you can stop messing around and build something.
- [Gulp 4](https://docs.atomui.com/build-system/gulp-build-system/gulp-4.md): To use gulp version 4 use the following files
- [Page Structure](https://docs.atomui.com/build-system/quick-start.md)
- [Sass Modules](https://docs.atomui.com/build-system/sass.md)