# opentofu/opentofu

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27,919 stars · 1,160 forks · Go · mpl-2.0

## Links

- GitHub: https://github.com/opentofu/opentofu
- Homepage: https://opentofu.org
- awesome-repositories: https://awesome-repositories.com/repository/opentofu-opentofu.md

## Description

OpenTofu is a declarative infrastructure orchestrator that automates the provisioning and management of cloud resources. It functions as a platform-agnostic interface, allowing users to define their desired environment state in configuration files, which the system then reconciles against live infrastructure to calculate and execute necessary updates.

The project utilizes a graph-based execution engine to determine the optimal sequence for resource operations, enabling the parallel processing of independent components to reduce deployment times. To support complex, multi-platform environments, it employs a provider-based plugin architecture that translates generic configuration definitions into specific API calls for various cloud services and third-party providers.

Beyond core provisioning, the system facilitates infrastructure lifecycle management through reusable configuration modules that standardize deployments and enforce consistent patterns. It also provides a synchronization layer for state metadata, enabling distributed teams to coordinate changes and maintain consistent environment status across collaborative workflows.

## Tags

### DevOps & Infrastructure

- [Infrastructure as Code](https://awesome-repositories.com/f/devops-infrastructure/infrastructure-as-code.md) — Define desired environment states using declarative configuration files to provision resources across multiple cloud platforms and services without manually executing individual setup steps for every single system component. ([source](https://opentofu.org/docs/intro/))
- [Cloud Provisioners](https://awesome-repositories.com/f/devops-infrastructure/cloud-provisioners.md) — A platform-agnostic interface that translates configuration files into specific API calls across multiple service providers and cloud environments.
- [Declarative Infrastructure Tools](https://awesome-repositories.com/f/devops-infrastructure/declarative-infrastructure-tools.md) — A tool that manages cloud resources by comparing desired configuration states against live environments to automate provisioning and updates.
- [Declarative Provisioning Engines](https://awesome-repositories.com/f/devops-infrastructure/declarative-provisioning-engines.md) — Defining the desired state of cloud resources in configuration files to automate the setup and management of complex multi-platform environments.
- [Declarative Reconciliation Engines](https://awesome-repositories.com/f/devops-infrastructure/declarative-reconciliation-engines.md) — The system compares the current real-world infrastructure against a desired configuration to calculate and execute the necessary delta operations.
- [Infrastructure Orchestration Engines](https://awesome-repositories.com/f/devops-infrastructure/infrastructure-orchestration-engines.md) — Calculates and executes optimal operation sequences to deploy and modify complex resource networks in parallel.
- [Declarative Infrastructure Definitions](https://awesome-repositories.com/f/devops-infrastructure/declarative-infrastructure-definitions.md) — Define infrastructure resources using declarative syntax to specify the desired end state so the engine automatically calculates and executes the necessary sequence of operations for your environment. ([source](https://opentofu.org/docs/language/))
- [Infrastructure State Management](https://awesome-repositories.com/f/devops-infrastructure/infrastructure-state-management.md) — Compare real-world resource status against defined configuration files to identify necessary updates and ensure the environment matches the intended state before applying any changes to your live systems. ([source](https://opentofu.org/docs/intro/))
- [Infrastructure Composition Tools](https://awesome-repositories.com/f/devops-infrastructure/infrastructure-composition-tools.md) — Reusable blocks of infrastructure definitions are combined to standardize deployments and enforce consistent patterns across complex multi-cloud environments.
- [Infrastructure Lifecycle Management](https://awesome-repositories.com/f/devops-infrastructure/infrastructure-lifecycle-management.md) — Tracking the status of live resources against defined configurations to identify drift and safely apply updates to production systems.
- [Infrastructure Modules](https://awesome-repositories.com/f/devops-infrastructure/infrastructure-modules.md) — Create reusable configuration modules to define collections of resources and enforce best practices across all infrastructure deployments to ensure consistency and reduce errors in production and staging environments. ([source](https://opentofu.org/docs/intro/))
- [Dependency Graph Orchestrators](https://awesome-repositories.com/f/devops-infrastructure/dependency-graph-orchestrators.md) — A dependency graph determines the optimal order of resource creation and modification to allow parallel processing of independent components.
- [Infrastructure Automation Workflows](https://awesome-repositories.com/f/devops-infrastructure/infrastructure-automation-workflows.md) — Build a resource dependency graph to automate infrastructure changes by creating and modifying non-dependent resources in parallel to reduce total deployment time for complex and large cloud environments. ([source](https://opentofu.org/docs/intro/))
- [Orchestration Engines](https://awesome-repositories.com/f/devops-infrastructure/orchestration-engines.md) — Building dependency graphs to automate complex deployment sequences by executing non-dependent tasks simultaneously to reduce total provisioning time.
- [Infrastructure Provider Plugins](https://awesome-repositories.com/f/devops-infrastructure/infrastructure-provider-plugins.md) — External binary plugins translate generic configuration resources into specific API calls for various cloud platforms and third-party service providers.
- [Collaborative Infrastructure Workflows](https://awesome-repositories.com/f/devops-infrastructure/collaborative-infrastructure-workflows.md) — Synchronizing team workflows through version-controlled configuration files and remote state management to ensure consistent deployments across distributed environments.
- [Infrastructure Collaboration Tools](https://awesome-repositories.com/f/devops-infrastructure/infrastructure-collaboration-tools.md) — Manage shared state and access controls by committing configuration files to version control systems and using remote backends to synchronize team workflows across distributed infrastructure projects and teams. ([source](https://opentofu.org/docs/intro/))

### Development Tools & Productivity

- [Infrastructure CLI Tooling](https://awesome-repositories.com/f/development-tools-productivity/infrastructure-cli-tooling.md) — OpenTofu CLI Workflow and Cloud Backends — a named example documented in this learning resource. ([source](https://opentofu.org/docs/cli/))
