Basscss is a lightweight collection of base element styles, immutable utilities, layout modules, and color styles designed for speed, clarity, performance, and scalability.
They haven't re-created the git CLI tool in a GUI, they've created something different. They've created a tool that makes Git more accessible. Little things like auto-stashing when you switch branches will confuse git veterans, but it will make Git much easier to grok for newcomers because of the assumptions it makes about your Git workflow.