Codeship is a fully customizable Continuous Integration Platform with native Docker support. Codeship gives you complete control over customizing and optimizing you CI and CD workflow. Choose which steps should run sequentially or in parallel, how many concurrent builds you want to run simultaneously among your account and get full control over which dependency version you want to run for each step or when to delete your dependencies and the cache. Codeship can provide complete developer autonomy. If you can run it in a Docker container, Codeship can run it for you.
Jenkins is an award-winning application that monitors executions of repeated jobs, such as building a software project or jobs run by cron.
Easily sync your GitHub projects with Travis CI and you'll be testing your code in minutes. Travis CI for private repositories has plans for every size project. With Travis CI testing your open source project is 100% free.