It is a todo app using Reactjs. It is a great beginner friendly app by which you can learn about managing states, styling in reactjs, lifecycle methods etc.
It is a movie search app in which you will understand about caliing apis, filtering, searching, sorting, managing states, lifecycle methods, styling and many more important concepts in reactjs.
This is a real time chat application in which we will build a chat application like messenger or whatsapp using reactjs and nodejs and a real time library socket io. This is a great project to add in your portfolio.