polyfill : polyfill makes web development less frustrating by selectively polyfilling just what the browser needs. Use it on your own site, or as a service.
JSDB.io : JSDB is a collection of the best javascript libraries
Anime.js : Anime.js is a fast, multipurpose and lightweight JavaScript animation library with a simple, yet powerful API.
It works with CSS properties, SVG, DOM ...
Ember.js : A JavaScript framework for creating ambitious web applications
A Modern, Lightweight Open-Source JavaScript Library for Interactive Maps