Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Terraform - Tool for building, changing, and versioning infrastructure safely and efficiently.
Travis CI - Simple, flexible, trustworthy CI/CD tools. Join hundreds of thousands who define tests and deployments in minutes, then scale up simply with parallel or multi-environment builds using Travis CI’s precision syntax—all with the developer in mind.
Packer - Packer is an open-source software for creating identical machine images from a single source configuration.