@parasight @jellea @middlemanapp @NetlifyCMS FWIW, there is a good collection fo SSGs at https://www.staticgen.com/
Personally, I think @jekyllrb is a great place to start with SSGs. Meanwhile I've fallen for the speed and power of @GoHugoIO and if you have any @reactjs chops, @gatsbyjs might suit you (it's 🔥 !)