GitLab is used only for code review, issue tracking and project management. Canonical locations for source code are still https://gitweb.torproject.org/ https://git.torproject.org/ and git-rw.torproject.org.

GetTor is a program that presents alternative methods to download Tor Browser, especially when access to Tor Project's official website and mirrors is blocked. For Information in Trac: https://trac.torproject.org/projects/tor/wiki/org/roadmaps/GetTor