OpenStack Heat
OpenStack Heat: A focused, open-source orchestration service for managing OpenStack stacks declaratively. Ranked #28 of 29 in Infrastructure as Code Tools by our editors (6.4/10); pricing: Open source; best for openStack infrastructure operators.
At a glance
- Editor score6.4 / 10
- PricingOpen source
- Best forOpenStack infrastructure operators
- Paid fromFree
- Configuration languageYaml/json
- Facts checked22 Sep 2026
Where it wins
- Declarative YAML/JSON templates manage OpenStack resource relationships
- Lifecycle controls include rollback, suspension, resumption, and restoration
- Supports autoscaling, nested stacks, adoption, and external resource references
Where it doesn't
- Targets OpenStack rather than multiple cloud providers
- Requires self-hosted state and execution within an OpenStack environment
- Policy-as-code and dedicated drift detection are outside its documented scope
Our verdict on OpenStack Heat
OpenStack Heat is an open-source infrastructure orchestration service for cloud users, operators, and developers running OpenStack environments. Its declarative Heat Orchestration Template format uses YAML or JSON to describe applications, resources, and their relationships, then executes OpenStack API calls to create and manage stacks. The resource model covers compute, networking, storage, security, identity, software configuration, autoscaling, high availability, and nested stacks. Heat runs on Linux and supports self-hosted deployment, an OpenStack-native REST API, and a CloudFormation-compatible Query API.
The strongest fit is its depth within the OpenStack ecosystem. Heat can create, update, delete, roll back, suspend, and resume stacks, while dependency-aware orchestration coordinates related resources. Templates can be composed with nested stacks, existing resources can be adopted, and external resource references support infrastructure that is not created entirely by Heat. Integrations with OpenStack APIs, Puppet, Ansible, and OpenStack Telemetry extend its place in an operator-managed environment. Autoscaling, high-availability resources, snapshots, and restoration add lifecycle capabilities beyond basic provisioning.
Heat is open source and deployed as part of an OpenStack environment, making it a focused option rather than a cross-cloud infrastructure-as-code service. Its self-hosted state management and execution model suit teams that operate their own OpenStack control plane and want OpenStack-native orchestration. Teams seeking support for multiple cloud providers, or a tool centered on policy as code or dedicated drift detection, should consider a different category fit. Choose Heat when OpenStack is the target platform and stack lifecycle control matters; avoid it when portability beyond OpenStack is a primary requirement.
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OpenStack Heat pricing
OpenStack Heat fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Configuration language | Yaml/json |
| Supported clouds | OpenStack |
| State management | Self-hosted |
| Policy as code | Not verified |
| Drift detection | Not verified |
| Import existing resources | Not verified |
| Self-hosted execution | Yes |
| Deployment | Cloud, Self-hosted |
| Platforms | Linux |
| Support | Community, Docs |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 6 integrations: Keystone, Nova, Neutron, Cinder, Glance, Telemetry |
| Pricing | Open source |
| Website | docs.openstack.org |
| Facts checked | 22 Sep 2026 |
OpenStack Heat integrations
OpenStack Heat lists 6 integrations on its own site.
- Keystone
- Nova
- Neutron
- Cinder
- Glance
- Telemetry
Alternatives to OpenStack Heat
- TerraformA mature multi-cloud IaC platform with broad providers, state management, and governance.9.4
- PulumiA flexible, multi-cloud IaC platform for teams that prefer familiar programming languages.9.2
- OpenTofuA Terraform-compatible foundation for teams managing infrastructure across providers.9.1
See all OpenStack Heat alternatives →
Also Ranked In
OpenStack Heat is ranked in 4 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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