---
uid: collections-overview
---
# Collections package

The Collections package provides unmanaged data structures that you can use in [jobs](xref:JobSystem) and [Burst-compiled](https://docs.unity3d.com/Packages/com.unity.burst@latest) code.

|**Topic**|**Description**|
|---|---|
|[Collections overview](collections-overview.md)| Understand the collection types contained in this package.|
|[Use allocators to control unmanaged memory](allocation.md)| Understand how to use allocators to control unmanaged memory.|

## Additional resources

* [Job system documentation](xref:JobSystem)
* [Burst documentation](https://docs.unity3d.com/Packages/com.unity.burst@latest)