React is an open source JavaScript library from Meta for building user interfaces from reusable components, widely used to create fast, interactive web and mobile applications.
Vue.js is an open source, progressive JavaScript framework for building user interfaces and single-page applications, known for its approachable design and flexible component system.
Angular is an open source TypeScript-based web application framework developed by Google, offering components, dependency injection, routing and tools for building large single-page applications.