Scalr is an Infrastructure as Code (IaC) tool designed to help developers collaborate, scale, and deploy secure IaC code efficiently. It allows users to build event-driven Terraform and OpenTofu pipelines using AWS EventBridge, and offers rapid infrastructure deployment. The platform supports various workflows, including OpenTofu & Terraform's CLI, VCS-driven, and module-based workspaces. Scalr emphasizes security and management with features like safe provider authentication, environment structuring without hardcoded credentials, and role-based access control. It integrates with tools such as Slack, Datadog, and OKTA, offering comprehensive visibility and reporting to scale operations effectively.