Ansible Semaphore - Modern UI for Ansible
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Foreman - Foreman is an open source project that helps system administrators manage servers throughout their...
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
RunDeck - RunDeck is an open source automation service with a web console, command line tools and a WebAPI.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.