> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/software-engineering-insights/use-software-engineering-insights/setup-sei/sei-projects-and-collections.md).

# Projects and collections

{% content-ref url="/pages/ZSGnrKdCvqOrXzk7WXid" %}
[Project and collection hierarchies](/software-engineering-insights/use-software-engineering-insights/setup-sei/sei-projects-and-collections/project-and-collection-overview.md)
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{% content-ref url="/pages/WyCVobMIzAHTzqdelF8n" %}
[Manage collection categories](/software-engineering-insights/use-software-engineering-insights/setup-sei/sei-projects-and-collections/manage-collection-cat.md)
{% endcontent-ref %}

{% content-ref url="/pages/n0leNhEtObsSMbfhMFrJ" %}
[Manage collections](/software-engineering-insights/use-software-engineering-insights/setup-sei/sei-projects-and-collections/manage-collections.md)
{% endcontent-ref %}