BuildMaster vs Concourse: What are the differences?
What is BuildMaster? An application release automation tool. It is a fully-functional Continuous Integration tool for a variety of platforms allowing your organization to start using CI/CD today, even with legacy applications. It runs automated testing for your applications and notify key team members if those tests fail.
What is Concourse? Pipeline-based CI system written in Go. Concourse's principles reduce the risk of switching to and from Concourse, by encouraging practices that decouple your project from your CI's little details, and keeping all configuration in declarative files that can be checked into version control.
BuildMaster and Concourse belong to "Continuous Integration" category of the tech stack.
Concourse is an open source tool with 4.12K GitHub stars and 496 GitHub forks. Here's a link to Concourse's open source repository on GitHub.