What's the name of the solution that lets you run a local infrastructure that is identical to AWS but is another product?

[camelel]

In the Terraform course - labs that are related to working with AWS, you’re using some AWS infrastructure that is not really Amazon’s:

I would like to run something like that for a home assignment I’ve been given as part of a interview process.
What is the name of this solution please?

[rob_kodekloud]

localstack is the name of the system, and yeah, it rocks.