GitLab is a web-based DevOps life cycle tool that provides a Git-repository manager providing wiki, issue-tracking and CI/CD pipeline features.
GitLab started as an open source project to help teams collaborate on software development. By delivering new functionality at an industry-leading pace, GitLab now provides a single application for the entire software development and operations life cycle. It also provides everything you need to Manage, Plan, Create, Verify, Package, Release, Configure, Monitor, and Secure your applications.