1. Formik is a widely used library for building forms in React, next, and Vuejs as well. It includes a built-in form validation system that is easy to use and integrates well with React components. Formik provides a high level of flexibility and customization.

GitHub Repository: https://github.com/formium/formik)
Installation:

npm i formik
yarn add formik

1. React Hook Form is another popular library for building forms in React. It focuses on providing a simple and efficient way to manage form state and validation using React hooks.

GitHub Repository: https://github.com/react-hook-form/react-hook-form

Installation:

npm i react-hook-form
yarn add react-hook-form

1. Final Form is a form state management and validation library for React. It emphasizes performance and flexibility and provides a wide range of plugins for additional functionality.

GitHub Repository:

Installation:

npm i final-form
yarn add final-form

1. Redux Form If you're already using Redux in your React application, Redux Form can be a good choice. It integrates well with Redux to manage form state and validation.

GitHub Repository:

Installation:

npm i redux-form
yarn add redux-form

1. Yup While not a form library itself, Yup is a schema validation library that works seamlessly with Formik and other form libraries. You can define your validation schema with Yup and use it to validate form inputs.

GitHub Repository:

Installation:

npm i npm i yup
yarn add npm i yup