Top Terraform/OpenTofu tools to Use in 2025

1. cosign

   1 34 4,767 9.5 Go

   Code signing and transparency for containers and binaries

   

   Verifies downloads using cosign and PGP (via gopenpgp), ensuring the integrity and authenticity of tool binaries.

2. CodeRabbit

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3. atlantis

   2 124 8,098 9.8 Go

   Terraform Pull Request Automation

   

4. gopenpgp

   3 6 1,107 7.5 Go

   A high-level OpenPGP library

   

   Verifies downloads using cosign and PGP (via gopenpgp), ensuring the integrity and authenticity of tool binaries.

5. go-version

   4 1 1,660 3.7 Go

   A Go (golang) library for parsing and verifying versions and version constraints. (by hashicorp)

   

   Tenv utilizes go-version for semantic versioning and HCL parsing to extract version constraints from files like required_version in Terraform/OpenTofu or Terragrunt HCL files.

6. terragrunt

   5 66 8,479 9.7 Go

   Terragrunt is a flexible orchestration tool that allows Infrastructure as Code written in OpenTofu/Terraform to scale.

   

   Link: https://terragrunt.gruntwork.io

7. terraform-docs

   6 35 4,389 7.4 Go

   Generate documentation from Terraform modules in various output formats

   

   Link: https://terraform-docs.io

8. hcl

   7 47 5,408 7.4 Go

   HCL is the HashiCorp configuration language.

   

   Tenv utilizes go-version for semantic versioning and HCL parsing to extract version constraints from files like required_version in Terraform/OpenTofu or Terragrunt HCL files.

9. SaaSHub

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10. tenv

    8 9 888 9.4 Go

    tenv is a versatile version manager for OpenTofu, Terraform, Terragrunt and Atmos, written in Go. Our tool simplifies the complexity of handling different versions of these powerful tools, ensuring developers and DevOps professionals can focus on what matters most - building and deploying efficiently. tenv is a successor of tofuenv and tfenv.

    

    Link: https://github.com/tofuutils/tenv

11. semver

    9 774 7,394 0.0

    Semantic Versioning Specification

    

    Semver 2.0.0 Compatibility Tenv utilizes go-version for semantic versioning and HCL parsing to extract version constraints from files like required_version in Terraform/OpenTofu or Terragrunt HCL files.

12. atmos

    10 12 918 9.6 Go

    👽 Terraform Orchestration Tool for DevOps. Keep environment configuration DRY with hierarchical imports of configurations, inheritance, and WAY more. Native support for Terraform and Helmfile.

    

    Link: https://github.com/cloudposse/atmos

13. OpenAI-DotNet

    11 87 731 7.2 C#

    A Non-Official OpenAI RESTful API Client for DotNet (by RageAgainstThePixel)

    

    Support for Multiple LLM Providers: It includes OpenAI, Amazon Bedrock and Ollama.

14. checkov

    12 59 7,424 9.9 Python

    Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.

    

    Link: https://github.com/bridgecrewio/checkov

15. ollama-twice

    13 12 18 6.2 Shell

    Watch and hear endless conversations between two ollamas, hence the Two-Way Conversation Engine (TWICE)

    Support for Multiple LLM Providers: It includes OpenAI, Amazon Bedrock and Ollama.

16. go

    14 2,235 126,360 10.0 Go

    The Go programming language

    

    Callable as a Go Module Includes a Semver compatibility promise via the tenvlib wrapper package for seamless integration (details available in TENV_AS_LIB.md). Can be used as a library to download OpenTofu with minimum dependencies.

17. infracost

    15 88 11,312 9.4 Go

    Cloud cost estimates for Terraform in pull requests💰📉 Shift FinOps Left!

    

    Link: https://github.com/infracost/infracost

18. cyclonedx-maven-plugin

    16 13 313 7.9 Java

    Creates CycloneDX Software Bill of Materials (SBOM) from Maven projects

    

    Provides output in multiple formats: CLI, CycloneDX, JSON, JUnit XML, CSV, SARIF, GitHub markdown, and links to remediation guides.

19. tfmv

    17 2 116 9.4 Go

    CLI to rename Terraform resources and generate moved blocks

    

20. amazon-bedrock-samples

    18 25 918 9.9 Jupyter Notebook

    This repository contains examples for customers to get started using the Amazon Bedrock Service. This contains examples for all available foundational models

    

    Support for Multiple LLM Providers: It includes OpenAI, Amazon Bedrock and Ollama.

21. tflint

    19 35 5,160 9.2 Go

    A Pluggable Terraform Linter

    

22. tfsec

    20 32 6,789 5.1 Go

    Tfsec is now part of Trivy

    

    Link: https://aquasecurity.github.io/trivy/

23. burrito

    21 3 410 9.4 Go

    🌯 Burrito is a TACoS Kubernetes Operator - "Argo CD for Terraform" (by padok-team)

    

    Link: https://github.com/padok-team/burrito

24. terramate

    22 20 3,347 9.6 Go

    Open-source Infrastructure as Code (IaC) orchestration platform: GitOps workflows, orchestration, code generation, observability, drift detection, asset management, policies, Slack notifications, and more. Integrates with Terraform, OpenTofu, Terragrunt, Kubernetes, GitHub Actions, GitLab CI/CD, BitBucket Pipelines, and any other CI/CD platform.

    

    Link: https://github.com/terramate-io/terramate

25. terratag

    23 8 969 5.7 HCL

    Terratag is a CLI tool that enables users of Terraform to automatically create and maintain tags across their entire set of AWS, Azure, and GCP resources

    

    Link: https://github.com/env0/terratag

26. awesome-tf

    24 7 5,710 8.0

    Curated list of resources on HashiCorp's Terraform and OpenTofu

    

    Awesome Terraform

27. SaaSHub

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