JavaScript
JavaScript is the most widely deployed language in the world. Used in writing front-end client side code, back-end code for servers
Angular Js
AngularJS is a JavaScript-based open-source front-end web application framework mainly maintained by Google and by a community of individuals and corporations to address many of the challenges encountered in developing single-page applications.
React Js
In computing, React is a JavaScript library for building user interfaces. It is maintained by Facebook and a community of individual developers and companies. React can be used as a base in the development of single-page or mobile applications.
Vue Js
Vue.js is an open-source JavaScript framework for building user interfaces. Integration into projects that use other JavaScript libraries is simplified with Vue because it is designed to be incrementally adoptable.
Express Js
Express.js, or simply Express, is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.
LoopBack Js
Building on LoopBack's success as an open-source Node.js framework, IBM API Connect provides a graphical tool with many of the API composition features of StrongLoop Arc, a built-in API Micro Gateway, and a CLI with API management and gateway features.