Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
JetBrains TeamCity - TeamCity is a continuous integration and build management system.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Bamboo - Bamboo is a continuous integration and deployment tool that ties automated builds, tests and releases together in a single workflow.
Chef - Automation for all of your technology. Overcome the complexity and rapidly ship your infrastructure and apps anywhere with automation.
GoCD - With its parallel and sequential execution, GoCD can easily configure dependencies for fast feedback and on-demand deployment. GoCD's Value Stream Map lets you track a change from commit to deploy at a glance.