The create-react-app npm module that lets you get started quickly with React is getting better and better.
Here is a list of all sorts of things you can then add on top of the create-react-app to make it betterer
I have been using bootstrap with CakePHP and love how it has freed me up to actually code and not worry about layout out and spacing so much. So for me the information on adding Bootstrap to React will be very helpful.
And then you can just declare a heap of Bootstrap React components which take the headache out of constructing them your self.