# Google Deployment Manager vs OpenTofu

**Leader by Vioscale score:** OpenTofu

| Attribute | Google Deployment Manager | OpenTofu |
|---|---|---|
| **Vioscale score** | 62.9 (45% (low)) | 68.6 (45% (low)) |
| activity.commits_last_30d | - | 95 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 29,933 |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Automates the provisioning and configuration of Google Cloud resources using declarative templates. Organizations define infrastructure as YAML or JSON files that specify which cloud services to create and how they should be configured, then use Deployment Manager to instantiate those resources as coordinated deployments. | A community-driven infrastructure-as-code platform maintained under the Linux Foundation that enables declarative management of cloud resources. It serves as a compatible alternative to Terraform, preserving existing configurations and workflows while providing access to thousands of providers and reusable infrastructure modules. |
| features.capabilities | `{"hosting":"cloud","language":"YAML, JSON","paradigm":"declarative_dsl","multicloud":false,"cncf_member":"none","state_management":"vendor_managed","open_source_engine":false,"provider_ecosystem":true,"managed_saas_offering":true}` | `{"hosting":"self","language":"HCL","paradigm":"declarative_dsl","multicloud":true,"drift_detection":true,"import_existing":true,"state_management":"self_managed","open_source_engine":true,"provider_ecosystem":true,"gitops_reconciliation":true}` |
| integrations.count | 12 | 3,900 |
| integrations.list | `[{"name":"Cloud Storage"},{"name":"Compute Engine"},{"name":"Cloud SQL"},{"name":"Cloud Load Balancing"},{"name":"Cloud Logging"},{"name":"Cloud Monitoring"},{"name":"Cloud VPN"},{"name":"Cloud Interconnect"},{"name":"Cloud HSM"},{"name":"Secret Manager"},{"name":"Cloud KMS"},{"name":"Confidential Computing"}]` | `[{"name":"AWS"},{"name":"Cloudflare"},{"name":"GitHub"},{"name":"Terraform Cloud"},{"name":"Terraform Enterprise"},{"name":"Scalr"},{"name":"Spacelift"},{"name":"env0"},{"name":"Digger"},{"name":"Terrateam"},{"name":"Qovery"},{"name":"Argonaut"},{"name":"Finisterra"},{"name":"AutoCloud"}]` |
| language.primary | - | Go |
| license.spdx | - | MPL-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"free","summary":"Free as part of Google Cloud. $300 free credit for new accounts.","freeTier":true,"sourceUrl":"https://docs.cloud.google.com/deployment-manager/docs","retrievedAt":"2026-08-13T23:07:10.391Z"}` | `{"type":"open_source","summary":"Free and open source (MPL-2.0 license)","freeTier":true,"sourceUrl":"https://opentofu.org/docs/v1.10/cli/commands/plan/","retrievedAt":"2026-08-14T21:32:43.822Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | free | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 4 |
| release.history | - | `[{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.12.6","date":"2026-08-19T11:40:07Z","type":"stable","version":"v1.12.6"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.11.14","date":"2026-08-19T11:39:12Z","type":"stable","version":"v1.11.14"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.12.5","date":"2026-07-21T11:39:19Z","type":"stable","version":"v1.12.5"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.11.13","date":"2026-07-21T11:39:02Z","type":"stable","version":"v1.11.13"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.12.4","date":"2026-07-13T16:07:42Z","type":"stable","version":"v1.12.4"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.11.12","date":"2026-07-13T16:07:11Z","type":"stable","version":"v1.11.12"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.11.11","date":"2026-06-23T13:24:06Z","type":"stable","version":"v1.11.11"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.12.3","date":"2026-06-18T15:03:59Z","type":"stable","version":"v1.12.3"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.11.10","date":"2026-06-18T15:03:51Z","type":"stable","version":"v1.11.10"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.12.2","date":"2026-06-12T15:26:49Z","type":"stable","version":"v1.12.2"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.11.9","date":"2026-06-12T16:11:30Z","type":"stable","version":"v1.11.9"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.12.1","date":"2026-05-27T10:44:28Z","type":"stable","version":"v1.12.1"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.12.0","date":"2026-05-14T11:57:20Z","type":"stable","version":"v1.12.0"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.11.8","date":"2026-05-14T09:47:13Z","type":"stable","version":"v1.11.8"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.11.7","date":"2026-05-11T12:16:08Z","type":"stable","version":"v1.11.7"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.10.10","date":"2026-05-11T11:29:11Z","type":"stable","version":"v1.10.10"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.12.0-rc1","date":"2026-04-29T19:56:42Z","type":"prerelease","version":"v1.12.0-rc1"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.12.0-beta1","date":"2026-04-08T14:54:54Z","type":"prerelease","version":"v1.12.0-beta1"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.11.6","date":"2026-04-08T11:48:19Z","type":"stable","version":"v1.11.6"},{"url":"https://github.com/opentofu/opentofu/releases/tag/v1.11.5","date":"2026-02-12T15:43:04Z","type":"stable","version":"v1.11.5"}]` |
| reliability.status_page | yes | yes |
| security.gdpr | - | yes |
| security.vulnerabilities | - | `{"count":9,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fopentofu%2Fopentofu&per_page=100","last_12m":8,"max_severity":"HIGH"}` |

## Capabilities (Infrastructure as Code Tools)

| Capability | Google Deployment Manager | OpenTofu |
|---|:--:|:--:|
| **Core** |  |  |
| Paradigm | Declarative DSL | Declarative DSL |
| Language | YAML, JSON | HCL |
| **Portability** |  |  |
| Multicloud / cloud-agnostic | ✗ | ✓ |
| **Architecture** |  |  |
| State management | Vendor-managed | Self-managed |
| **Extensibility** |  |  |
| Pluggable provider ecosystem | ✓ | ✓ |
| **Governance** |  |  |
| Policy as code | - | - |
| **Ops** |  |  |
| Drift detection | - | ✓ |
| GitOps continuous reconciliation | - | ✓ |
| **Deployment** |  |  |
| Managed SaaS offering | ✓ | - |
| Hosting | Cloud only | Self-hosted only |
| **Adoption** |  |  |
| Import existing resources | - | ✓ |
| **Licensing** |  |  |
| Open-source engine | ✗ | ✓ |
| **Ecosystem** |  |  |
| CNCF maturity | None | - |

*Source: Vioscale. Generated 2026-09-01T16:36:49.933Z. "-" = undocumented, not absent.*