What do you recommend for non-programmers, who would still benefit from version control system. Examples: - Book author using markdown / static site generator

What do you recommend for non-programmers, who would still benefit from version control system. Examples: - Book author using markdown / static site generator to publish a book. Uses visual editors like Typora. - Product designers for open-source hardware. Various design files, SVG etc. I’ve experimented with a “GUI only” git flow - just to see what is possible, so I could introduce the concept to others. I found GitHub desktop app (https://desktop.github.com/)did https://desktop.github.com/)did a great job of visually showing git flows and functions, but for a non-tech/programmming person, the tool would be daunting. Curiosity what your suggested tech stack would be - sans Terminal…