GitLab is a web-based Git repository manager with wiki and issue tracking features. Developed by GitLab Inc.
License: Open Source
The Open Build Service (OpenSUSE Build Service) is an open and complete distribution development platform designed to encourage developers to compile packages for multiple Linux distributions including SUSE Linux Enterprise Server, openSUSE, Red Hat Enterprise Linux, Mandriva, Ubuntu, Fedora, Debian, and Arch Linux. Developed by openSUSE
License: Open Source
GitLab is a comprehensive DevOps platform that integrates source code management with CI/CD capabilities, making it suitable for complete software development lifecycles. In contrast, Open Build Service is focused on package building and distribution, catering to developers who need to manage software packages across different Linux distributions.