GitHub just released data for the top 10 Continuous Integration (CI) & Continuous Delivery (CD) tools integrated with GitHub.com
It should be noted that Travis and Circle provide free build servers for open source projects.
Jenkins is the next major solution, and by far the most common solution I see my customers planning to roll out. My current employer Vector Software has a nice white paper on CI/CD with Jenkins.
If you’d like to check out top 10 tools used with GitHub.com here are the links:
You can find the original post from GitHub.com here.