There are 2 repositories under terraform-framework topic.
Kubestack is a framework for Kubernetes platform engineering teams to define the entire cloud native stack in one Terraform code base and continuously evolve the platform safely through GitOps.
Terraform provider for Kustomize
Utilities for use with the HashiCorp Terraform Plugin Framework
Terraform SuperSchema allows you to write the Terraform schema for resources and datasources in a single definition, along with a common field that enables you to define default values.