ReactJS is a popular JavaScript library for building user interfaces. It's fast, efficient, and easy to use, making it a popular choice for many developers.
Node.js is an open-source, cross-platform JavaScript runtime environment. It allows developers to run JavaScript code on the server side, making it a popular choice for building web applications and APIs.
Vue.js is a progressive JavaScript framework for building user interfaces. It's lightweight and easy to learn, making it a popular choice for developers who are just starting out.
GraphQL is a query language for APIs that was developed by Facebook. It allows developers to define the structure of the data that they need and makes it easy to fetch that data from multiple sources.
TypeScript is a superset of JavaScript that adds optional static typing and other features to the language. It's becoming increasingly popular among developers who want to write more scalable and maintainable code.