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Open Source Infrastructure as Code (IaC) Tools

A curated collection of the best open source tools for defining and managing infrastructure using code..

OpenTofu

Open source infrastructure as code tool

  • Stars

    30,803

  • Last commit

    8 hours ago

  • License

    MPL-2.0
A community-driven, truly open-source fork of Terraform for managing cloud infrastructure through code.

Open Source Alternative to:

Red Hat Ansible

Pulumi

Infrastructure as code in your favorite language

  • Stars

    25,895

  • Last commit

    4 hours ago

  • License

    Apache-2.0
Pulumi enables developers to define and manage cloud infrastructure using familiar programming languages instead of domain-specific languages.

Open Source Alternative to:

Red Hat Ansible

Digger

Terraform automation with pull request workflows

  • Stars

    5,070

  • Last commit

    12 days ago

  • License

    MIT
Open-source CI/CD orchestrator for Terraform with pull request automation, drift detection, and enterprise-grade security. Self-hostable with private runners.

Open Source Alternative to:

Spacelift

Nitric

Cloud-native framework for infrastructure from code

  • Stars

    2,018

  • Last commit

    18 days ago

  • License

    Apache-2.0
Nitric automates cloud infrastructure provisioning from your application code for AWS, GCP and Azure

Open Source Alternative to:

Supabase

Terrateam

GitOps orchestration for infrastructure as code

  • Stars

    1,329

  • Last commit

    11 hours ago

  • License

    MPL-2.0
Automate infrastructure changes with secure GitOps workflows. Plan, validate, and deploy Terraform, OpenTofu, and Pulumi directly from pull requests.

Open Source Alternative to:

Spacelift
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