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Top 23 HCL infrastructure-as-code Projects
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TF-via-PR
Plan and apply Terraform/OpenTofu via PR automation, using best practices for secure and scalable IaC workflows.
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forge
ForgeMT is a secure, scalable GitHub Actions runner platform for ephemeral workloads. Designed for multi-tenant environments, it automates isolated runner provisioning on Kubernetes or EC2, with built-in OIDC, IAM, cost optimization, and deep observability. (by cisco-open)
Project mention: actions-runner-controller VS forge - a user suggested alternative | libhunt.com/r/actions-runner-controller | 2025-08-21 -
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eks-reference-architecture
Reference EKS architectures using https://github.com/terraform-aws-modules/terraform-aws-eks
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fortinet-azure-solutions
A set of Azure Templates for getting you started in Azure with Fortinet solutions. This repository is a place for beta releases and work on the latest templates to be published on github.com/fortinet or custom templates.
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terraform-aws-vulne-soldier
This Terraform module consists of the configuration for automating the remediation of AWS EC2 vulnerabilities using AWS Inspector findings. It provisions essential resources such as an SSM document, Lambda function, and CloudWatch event rules for automated vulnerability management.
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Project mention: I Built an Enterprise-Grade VPN with Terraform. It's Also My Ultimate "Life Hack" Tool. | dev.to | 2025-10-24
In this tutorial, I'll walk you through how to deploy my terraform-gcp-vpn project. I'll cover the core setup, and then I'll show you how to leverage this "enterprise-grade" stack for two of the most popular VPN use cases: geo-unblocking content and saving money on subscriptions.
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terraform
Terraform infrastructure for Prod Forge — AWS, ECS, RDS, VPN debugging access, OIDC CI/CD integration, and observability stack. Production-ready from day one. (by prod-forge)
Project mention: Prod Forge – reference project for running a NestJS service in production | news.ycombinator.com | 2026-03-16 -
fortinet-gcp-solutions
GCP Deployment Manager templates for easy and automated deployments of various Fortigate architectures in Google Compute.
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pt-techne-opentofu-workflows
Reusable GitHub Called Workflow examples for OpenTofu and Google Cloud Platform.
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aws-multi-region-disaster-recovery
Multi-Region Disaster Recovery setup on AWS using Terraform with automated failover, cross-region replication, and comprehensive monitoring
Project mention: Building a Multi-Region Disaster Recovery Setup on AWS with Terraform | dev.to | 2025-10-11You can find the full project setup and code on my GitHub repository https://github.com/Copubah/aws-multi-region-disaster-recovery
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aws-etl-pipeline-terraform
Production-ready serverless ETL pipeline on AWS using Terraform, Lambda, and S3. Modular infrastructure-as-code with event-driven CSV processing.
Project mention: Building a Modular Serverless ETL Pipeline on AWS with Terraform & Lambda | dev.to | 2025-12-07 -
homelab-infrastructure-template
Template completo para automação de infraestrutura Proxmox com GitOps, Terraform e GitHub Actions
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
HCL infrastructure-as-code discussion
HCL infrastructure-as-code related posts
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nat-zero: scale-to-zero NAT instances for AWS
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The Complete Guide to Production EKS with Terraform
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How Adding an Additional EBS Volume to Existing EC2 Almost Broke My Terraform AWS Workflow and Threatened Our Project Deadline
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How To Implement AWS SSB Controls in Terraform - Part 4
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[Terraform] TFSEC vs Tchekhov vs Terrascan - Que recommandez-vous ?
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Using GitHub to Manage GitHub!
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Best practices for multiregion deployments?
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A note from our sponsor - SaaSHub
www.saashub.com | 13 Jun 2026
Index
What are some of the best open-source infrastructure-as-code projects in HCL? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | terraform-best-practices | 1,836 |
| 2 | terraform-aws-gitlab-runner | 627 |
| 3 | TF-via-PR | 330 |
| 4 | mlstacks | 256 |
| 5 | forge | 205 |
| 6 | terraform-talos | 205 |
| 7 | eks-reference-architecture | 108 |
| 8 | poweroff-google-cloud-cap-billing | 87 |
| 9 | fortinet-azure-solutions | 78 |
| 10 | terraform-aws-vulne-soldier | 50 |
| 11 | terraform-gcp-vpn | 34 |
| 12 | terraform-samples | 14 |
| 13 | terraform | 13 |
| 14 | fortinet-gcp-solutions | 12 |
| 15 | infra | 12 |
| 16 | AWS-IaCs-with-Terraform | 8 |
| 17 | azure-terraform-infrastructure | 6 |
| 18 | cratedb-terraform | 6 |
| 19 | terraform-modules | 4 |
| 20 | pt-techne-opentofu-workflows | 1 |
| 21 | aws-multi-region-disaster-recovery | 1 |
| 22 | aws-etl-pipeline-terraform | 0 |
| 23 | homelab-infrastructure-template | 0 |
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