So lets gets started
Ionic 2 is the next version of Ionic framework which allows you to build hybrid mobile apps .Ionic 2 is based on Angular 2 framework so if you are already familiar with this framework you can start building cross platform mobile apps for Android and iOS without leaning other frameworks or languages .
These are the big frameworks/libraries .Now let's see less popular and small ones
Cost of modules
If you use a lot of Node.js modules in your project then this package can be good for you .It allows you to watch your project’s size and find out exactly the modules which takes the most weight .
Angular 6|7 Tutorial — CRUD & Python REST API
Jasmine Unit Testing Tutorial
React 16.6 New Features: React.memo() and Suspense/React.lazy()
Node.js Tutorial & Examples (Node.js 10)
RxJS 6 Tutorial by Example