JetBrains TeamCity - TeamCity is a continuous integration and build management system.
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Agola - A selfhosted open source CI/CD server build around the git workflow.
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.