Alternatives to OpenStack Heat

AWS CloudFormation

CloudFormation suits teams managing AWS infrastructure through templates, from a single EC2 instance to complex multi-Region applications.

Terraform

Terraform Community Edition is described for practitioners, while HCP Terraform’s free features are suited to small teams.

Terramate

Terramate suits platform teams managing reusable infrastructure patterns and developers or AI agents that need to self-serve across environments.

Firefly

Firefly is aimed at enterprise cloud teams, including CIO and IT leadership, CloudOps, platform engineering, security, and governance groups.

Pulumi

Pulumi suits engineers defining infrastructure in general-purpose languages across supported cloud providers.

AWS CDK

It suits developers and administrators defining AWS infrastructure in general-purpose languages.

AWS Controllers for Kubernetes

ACK suits teams managing AWS infrastructure through Kubernetes and declarative, version-controlled workflows.

env0 suits engineering teams managing Infrastructure as Code, cloud resources, Kubernetes, and automated workflows.

Kusion

Kusion is aimed at application developers and platform engineers maintaining application infrastructure.

OpenTofu

OpenTofu suits infrastructure teams that define cloud or on-premises resources in configuration and want to manage changes through plans.

Terragrunt

Terragrunt suits infrastructure teams using Terraform or OpenTofu.

Terrateam

Terrateam suits teams managing infrastructure through pull-request workflows with Terraform-family and other listed tools.

Crossplane

It suits platform-engineering teams that want self-hosted control planes on Kubernetes and custom APIs for cloud resources.

Scalr

Scalr suits platform teams managing Terraform or OpenTofu at scale while providing developer self-service.

Spacelift

Spacelift suits organizations seeking infrastructure lifecycle automation, developer self-service, guardrails, and governance.