Redis - Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
RxJS - Reactive Extensions for Javascript
memcached - High-performance, distributed memory object caching system
react-context - Context provides a way to pass data through the component tree without having to pass props down manually at every level.
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
vuex - Centralized State Management for Vue.js