In our 25-criteria evaluation of configuration management providers, we identified the 14 most significant solutions — Ansible, Ansible Tower, CFEngine Community Edition, CFEngine Enterprise, Chef, Chef Automate, Microsoft Azure Automation, Microsoft Powershell DSC, Normation Professional Services, Open Source Puppet, Puppet Enterprise, Rudder, Salt, and SaltStack Enterprise — and researched, analyzed, and scored them. We focused on core features, including deployment, configuration modeling, monitoring and governance, and community support as well as on the vendors' ability to match a strategy to these features. This report helps infrastructure and operations (I&O) professionals make the right choice when looking for configuration management solutions for their development and operations (DevOps) and infrastructure-as-code (IaC) automation.