Source Code Management Software for SaaS
Github
GitHub is a platform that provides hosting for software development version control for open source and closed source projects. The platform utilize the revision control system Git, and build services around this open-source technology. With GitHub developers and teams can collaborate on software projects and build, host, and promote source code of their own open-source projects. GitHub itself is closed-source and was acquired by Microsoft in 2018 for US$7.5 billion.
GitLab
A web-based tool for DevOps lifecycle management and source code hosing. GitLab, much like GitHub use the open-source technology Git for repository management and code reversion. On top of that GitLab provide extra services like issue-tracking, wiki and CI/CD pipelines for code deployment. The main difference between GitLab and GitHub is that GitLab is open-source and the whole platform can be self-hosted on your own server. GitLab also provides the same hosted repository solutions provided by GitHub.