Awesome OpenTofu

A curated and collaborative list of awesome OpenTofu resources and tools.

OpenTofu allows you to declaratively manage your infrastructure. It's an open-source, community-driven alternative to Terraform.

Contents

• Official
• Community
• Features
• Tools
  • Environment managers
  • Wrappers
  • CI
  • Tests
  • State
  • Providers
  • Platforms
  • Registry
  • Helpers
• Learning
• Media
• Podcasts

Official

• OpenTofu repository 🎉
• Fork announcement
• Official registry
• Weekly updates
• Office hours
• Technical Steering Committee updates

Community

Communication channels, meetups, newsletters, and forums.

• OpenTofu GitHub Discussion
• OpenTofu LinkedIn
• OpenTofu Slack
• OpenTofu Twitter

Features

• 1.8 - Override files for OpenTofu (.tofu)
• 1.8 - Early variable and locals evaluation
• 1.7 - End-to-end encryption for state files
• 1.7 - Provider-defined functions
• 1.7 - Removed block
• 1.7 - Loopable import blocks
• OCI-compliant registry support 🚧
• CanI.TF - Feature parity between Terraform and OpenTofu

Tools

Environment managers

• arkade - CLI and Kubernetes app installer.
• asdf-opentofu - OpenTofu plugin for asdf version manager.
• tenv - Terraform and OpenTofu version manager written in Go.
• tfswitcher - Terraform and OpenTofu version switcher written in Rust.
• tofuenv - OpenTofu version manager inspired by tfenv.

Wrappers

Simplify your OpenTofu workflows with a thin wrapper.

• Atmos - Orchestration tool that keeps environment configuration DRY.
• Terragrunt - Keep your configurations DRY, work with multiple modules, and manage remote state.
• Terramate - Automation, orchestration, and code generation for OpenTofu, Terraform, Kubernetes, and others.
• easy_infra - Docker container to simplify and secure the use of infrastructure as code.
• pug - A terminal user interface for power users.
• tf - Less verbose and more friendly command outputs.
• tfam - Rust-powered wrapper for concurrent Terraform/OpenTofu apply, enabling multi-deployment support.
• tfexe - Rust-powered wrapper for seamless execution of tfswitch and Terraform/OpenTofu with version control.
• tfwrapper - Python wrapper that simplifies OpenTofu usage and enforces best practices.

CI

• Atlantis - Automating workflows via pull requests.
• TF-via-PR - GitHub Action to init, plan and apply Terraform/OpenTofu via PR automation.
• pre-commit-opentofu - Git pre-commit hooks plugin.
• setup-opentofu - Set up OpenTofu CLI in your GitHub Actions workflow.
• terraform-github-actions - GitHub Actions for OpenTofu.
• tofu-controller - GitOps OpenTofu and Terraform controller for Flux.

Tests

• Terratest - Go library that makes writing automated tests for your infrastructure code easier.

State

Analyze and manipulate OpenTofu's state.

• tfmigrate - State migration tool.

Providers

Inspect and interact with OpenTofu providers.

• tfschema - Schema inspector for providers.

Platforms

Alternatives to Terraform Cloud.

• digger - Open-source IaC orchestration tool. Digger allows you to run IaC in your existing CI pipeline.
• terrakube - Open-source platform with a private registry, remote state, custom flows, scheduled workspaces, and visual states.
• tofutf - Open-source alternative to Terraform Enterprise with SSO, team management, agents, etc.
• walrus - Walrus is an open-source application management platform based on IaC tools, including OpenTofu, Terraform, and others.
• Terrateam - Open-source alternative to Terraform Cloud/Enterprise, GitOps-first with native GitHub integration and designed for scale, security, and reliability.

Registry

• library.tf - An indexer of registries for providers and modules with insights and documentation.
• boring-registry - Boring-registry is an open-source module and provider registry compatible with OpenTofu.
• hermitcrab - Registry network mirroring service compatible with OpenTofu.
• terrac - Minimal private module registry compatible with OpenTofu.
• GitLab Module Registry - Use GitLab projects as a private registry for terraform modules.
• terralist - Private registry for providers and modules.
• citizen - Private registry for modules and providers with support for multiple databases and storages.
• petra - Private registry manager using Google Cloud Storage.
• tapir - Private registry for modules and providers with a UI.
• terraform-registry - Modules registry with authentication and support for multiple backends.
• terrareg - Open-source modules registry with UI, optional Git integration and deep analysis.
• terustry - Proxy registry for providers.

Helpers

• terratag - CLI tool allowing for tags or labels to be applied across an entire set of OpenTofu/Terraform files.

Learning

• OpenTofu Course - Interactive tutorials.
• Terraform in Depth - Book with OpenTofu sections.
• Infrastructure automation with OpenTofu - Learn infrastructure provisioning with lectures, quizzes, hands-on demos and coding exercises.
• Migrating From Terraform To OpenTofu - Introduction to OpenTofu history and how to migrate.

Media

• OSS EU 2023 - Announcement
• OSS EU 2023 - Project Overview
• Code To Cloud - Getting Started With OpenTofu
• CNCF - OpenTofu Day 2024

Podcasts

• Kubernetes Podcast - OpenTofu, with Ohad Maislish
• TheIaCPodcast - Expert Panel on OpenTofu GA Release, Licensing, and OSS Future
• Contributor - Community-Driven IaC
• Ned in the Cloud - IaC Live Stream
• Arrested DevOps - What's Up With Open Terraform?
• OpenObservability - Terraform is no longer open source. Is OpenTF the successor?
• TheCloudGambit - The Future of OpenTF
• Oxide and Friends - Fork in the road for Terraform?
• Changelog - OpenTF for an open Terraform