Yes! The k9 Terraform and CDK infrastructure code libraries are free to use and licensed as Apache2. k9 assists customer adoption of our infra code libraries, and the benefit of many years of experience helping teams migrate to and operate in AWS securely, including major banking operations. k9 analysis services are delivered as a SaaS and procured via AWS marketplace so that you can easily add monitoring for AWS accounts as you need it - one at a time or the entire org. Add Enterprise professional services to a SaaS subscription to accelerate security architecture, policy development, or overhauling the security policies for an entire account.