I completely get this usecase, TikZ is great but sometimes WYSIWYG is just easier to work with. Re: math stuff in particular, you may be in luck, my tool does a

I completely get this usecase, TikZ is great but sometimes WYSIWYG is just easier to work with. Re: math stuff in particular, you may be in luck, my tool does already support LaTeX equations as first-class objects. Check out https://vexlio.com/latex-equation-editing/ https://vexlio.com/latex-equation-editing/ for a quick screencap if you're interested.