Best Infrastructure as Code tools by public signals

These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.

Use Case Rankings

Ordered by ToolVitals score, health, shipping, confidence, and then adoption as a tie-breaker.

# Tool Health Shipping Openness Stars Score Status
01 Pulumi
Pulumi - Infrastructure as Code in any programming language 🚀
100 100 OSI-approved OSS 25.3k 100 Active
02 Meshery
Meshery, the cloud native manager
100 100 OSI-approved OSS 10.3k 100 Active
03 Crossplane
The Cloud Native Control Plane
95 100 OSI-approved OSS 11.8k 97 Active
04 ProxmoxVE Scripts
Proxmox VE Helper-Scripts (Community Edition)
95 100 OSI-approved OSS 28.5k 97 Active
05 OpenTofu
Open-source infrastructure as code
98 90 OSI-approved OSS 29k 96 Active
06 Terragrunt
Orchestration tool for scaling Terraform/OpenTofu infrastructure as code.
93 100 OSI-approved OSS 9.6k 96 Active
07 Terrateam
Open-source GitOps orchestration for Terraform and OpenTofu workflows.
92 95 OSI-approved OSS 1.2k 95 Active
08 Atmos
👽 Terraform Orchestration Tool for DevOps. Keep environment configuration DRY with hierarchical imports of configurations, inheritance, and WAY more. Native support for Terraform and Helmfile.
90 100 OSI-approved OSS 1.3k 94 Active
09 SST
Build full-stack apps on your own infrastructure.
90 88 OSI-approved OSS 26.1k 92 Active
10 pyinfra
🔧 pyinfra turns Python code into shell commands and runs them on your servers. Execute ad-hoc commands and write declarative operations. Target SSH servers, local machine and Docker containers. Fast and scales from one server to thousands.
87 78 OSI-approved OSS 5.7k 87 Active
11 DeployWhisper
AI-powered pre-deployment risk intelligence platform for infrastructure changes.
74 84 OSI-approved OSS 9 82 Warning
12 Terramate
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.
72 71 OSI-approved OSS 3.6k 78 Warning
13 ops0-cli
ops0 is an AI-powered natural language DevOps CLI native to Claude AI with ansible, terraform, kubernetes, aws, azure and docker operations in a single cli. An open-source alternative to complex DevOps workflows, manual
66 72 OSI-approved OSS 68 76 Warning
14 Stelvio
Ship Python to AWS in minutes, not days
66 30 OSI-approved OSS 277 63 Warning
15 NginxConfig
⚙️ NGINX config generator on steroids 💉
38 0 OSI-approved OSS 28.3k 39 Critical
16 Kubefirst
Open-source platform for bootstrapping cloud-native GitOps infrastructure.
41 0 OSI-approved OSS 2k 37 Critical
17 Monokle
Monokle is a set of OSS tools designed to help create and maintain high-quality Kubernetes configurations throughout the application lifecycle
36 0 OSI-approved OSS 2.1k 36 Critical
18 Kube Composer
Open-source Kubernetes YAML builder with visualization.
28 0 License unknown 479 33 Critical
19 OpenQRM Community
Open source data center management and cloud computing platform.
26 0 OSI-approved OSS 11 32 Critical
20 CloudEon
Open-source Kubernetes-based deployment platform for big data components.
5 0 OSI-approved OSS 494 21 Critical