GitHub is described as 'Web-based Git hosting service facilitating collaboration, with features like issue tracking, social networking, and wikis for project management' and is a leading Version Control system in the development category. There are more than 100 alternatives to GitHub for a variety of platforms, including Web-based, Self-Hosted, Linux, Windows and Mac apps. The best GitHub alternative is GitLab, which is both free and Open Source. Other great apps like GitHub are Gitea, Codeberg, Bitbucket and SourceForge.
The first web browser Git that just works ™. - I would argue UP!