Atlantis — #3 Alternative to Terraform Cloud
Self-hosted Apache-2.0 pull-request automation running OpenTofu & Terraform plans in GitHub/GitLab
Replaces Terraform Cloud runs with `atlantis plan` and `atlantis apply` PR comments inside your own VPC—zero per-resource fees regardless of infrastructure size.
License: Apache-2.0 · Pricing: Free & Open Source · Compare all Terraform Cloud alternatives · Official Website