1. React Router: A routing library for React that allows you to define routes and navigate between them.

2. Redux: A state management library that helps you write applications that behave consistently and are easy to test.

3. MobX: A library that provides a simple, reactive way to manage state in your React applications.

4. Next.js: A framework that makes it easy to build server-side rendered React applications.

5. Formik: A library that simplifies the process of building and validating forms in React.

6. Axios: A library for making HTTP requests from a browser or Node.js environment.

7. Jest: A popular testing library that works well with React.

8. Enzyme: A testing library that makes it easy to assert, manipulate, and traverse your React Components’ output.

9. Create React App: A tool that helps you set up a modern React development environment with no configuration.

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