What is Electron?
Electron is used to build cross-platform desktop apps with JavaScript, HTML, and CSS.
See https://www.electronjs.org/ for more information.
What’s React?
React is a free and open-source front-end JavaScript library for building user interfaces or UI components. It is maintained by Facebook and a community of individual developers and companies. React can be used as a base in the development of a single-page or mobile application
See https://reactjs.org/ for more information
React + Electron Tutorials:
Simple Tutorial
Getting Started with Electron by Creating a React App
Recommended
The Ultimate Guide to Electron with React