Open-source alternatives to Scalr

All open-source alternatives

OpenTofu

Declarative, safe, and efficient infrastructure management for any provider

Active developmentPermissive licenseIntegration-friendlyGo

Why teams choose it

• Infrastructure as Code with high‑level configuration syntax
• Predictive execution plans that preview changes before apply
• Resource graph that parallelizes independent operations

Watch for

Learning curve for HCL and state management

Migration highlight

Provision a production Kubernetes cluster

Consistent, repeatable cluster deployment across cloud providers with automated scaling

Atlantis

Automate Terraform pull‑request workflows with self‑hosted execution

Active developmentPermissive licenseFast to deployGo

Why teams choose it

• Listens for Terraform pull‑request webhooks
• Runs plan, import, and apply remotely
• Posts execution results back to the PR

Watch for

Requires infrastructure to host and maintain the service

Migration highlight

Automated plan on PR creation

Reviewers see a detailed Terraform plan comment directly in the pull request

Choosing a infrastructure as code (iac) alternative

Teams replacing Scalr in infrastructure as code (iac) workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.

• 2 options are actively maintained with recent commits.

Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from Scalr.