Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.

The best open source alternative to Terraform is Ansible. If that doesn't suit you, our users have ranked more than 10 alternatives to Terraform and ten of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Terraform are Pulumi, OpenTofu, Foreman and Cloudify.
Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.

Pulumi is a cloud development platform. Replace YAML and DSLs with pure code. Code, deploy, manage cloud apps to AWS, Azure, GCP, Kubernetes, using JavaScript, TypeScript, Python, Go.
Foreman is an open source project that helps system administrators manage servers throughout their lifecycle, from provisioning and configuration to orchestration and monitoring. Using Puppet or Chef and Foreman's smart proxy architecture, you can easily automate repetitive...



Cloudify is an orchestration-first, model-driven cloud management platform native to Network function virtualization (NFV), that is open source and based on the TOSCA standard.



Multy is an open-source tool that makes it easy to deploy the same infrastructure configuration on different clouds.


GruCloud is a low/no-code infrastructure as a code tool. It can generate code from live infrastructure, and deploy resources to the cloud from code. Benefit from infrastructure as code without the hassle of manually authoring the infrastructure description.

The Yoke Project is a set of tools for working with package management differently than the status quo. Where once only YAML and templates of YAML ruled the representation of Kubernetes resources and the packages thereof, we can now work with code and benefit from native control...
Gyro is an open source command-line tool for creating, updating, and maintaining cloud infrastructure. Gyro makes infrastructure-as-code possible. Gyro is licensed under the Apache 2.0 license.

It provides module for every major cloud provider(private and public).