Origin

Minitab

Mathematica

if you want to draw graphs then origin, minitab are useful, but for chemical formulas chemdraw or many other software's are available.

Basically which type of diagrams you want to draw? on the basis of which you have to choose the software

If you use a Mac you can try the excellent OmniGraffle, which comes with several libraries ready to use. For maximum flexibility, though, you can rely on vector graphics software such as Adobe Illustrator or Inkscape.

I use Win 10. More importantly, I wanna draw a diagram about 3 types of constructing knockout mouse models, which involves many steps.

pretty much like this