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.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Terraform - Tool for building, changing, and versioning infrastructure safely and efficiently.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Rancher - Open Source Platform for Running a Private Container Service