https://divjoy.com/ did a great job of providing reactjs(and extras) and was free for initial few months. Definitely refer to that for more inspiration on design and capabilities. May be provide some templates(pre-built) of few types(like the one you have it as part of tutorial)
The Webcodesk online version is designed to demonstrate the components and how they can be combined in an application. The components themselves can be created in the local version - it is Open Source.
