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Open-Source Projects
Discover top open-source software, updated regularly with real-world adoption signals.
Discover top open-source software, updated regularly with real-world adoption signals.
Declarative, safe, and efficient infrastructure management for any provider
OpenTofu lets you define, plan, and apply infrastructure as code across cloud, on‑prem, and custom services, with automated execution plans and parallel resource graphs.
OpenTofu provides a declarative approach to managing infrastructure, allowing teams to describe resources in a high‑level configuration language. By treating infrastructure like any other code, changes are versioned, reviewed, and shared across the organization, reducing drift and manual errors.
The tool generates an execution plan that previews every change before it is applied, giving operators confidence and visibility. Its built‑in resource graph identifies dependencies and runs independent resources in parallel, optimizing deployment speed. OpenTofu supports a wide range of cloud providers, on‑prem solutions, and custom in‑house integrations, making it suitable for heterogeneous environments. Installation is straightforward via package managers or binaries, and the community offers Slack channels, GitHub Discussions, and regular meetings for support and contribution.
After installing, define your infrastructure in HCL files, run opentofu plan to review changes, and opentofu apply to enact them. State files can be stored locally or in remote backends for collaboration. The project is licensed under MPL‑2.0 and welcomes contributions.
When teams consider OpenTofu, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
Provision a production Kubernetes cluster
Consistent, repeatable cluster deployment across cloud providers with automated scaling
Automate multi‑region database replication
Coordinated changes applied with minimal downtime and clear rollback paths
Migrate legacy on‑prem servers to the cloud
Declarative plan highlights differences, ensuring safe migration steps
Integrate infrastructure changes into CI/CD pipelines
Automated `plan` and `apply` steps triggered by code commits for continuous delivery
OpenTofu uses HashiCorp Configuration Language (HCL) for defining resources.
OpenTofu is a community‑driven fork of Terraform, licensed under MPL‑2.0, with a focus on open governance.
Yes, OpenTofu supports custom providers alongside popular cloud services.
Running `opentofu plan` analyzes the current state and desired configuration, outputting a detailed change preview.
Join the OpenTofu Slack, participate in GitHub Discussions, or attend community meetings listed on the website.
Project at a glance
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