Utilities
Cache
The Amplify Cache module provides a generic LRU cache for JavaScript developers to store data with priority and expiration settings.
Console Logger
AWS Amplify writes console logs through Console Logger. You can use Console Logger in your apps for the same purpose.
Hub
Amplify has a local eventing system called Hub. It is a lightweight implementation of Publisher-Subscriber pattern, and is used to share data between modules and components in your app.
Internationalization
The AWS Amplify I18n module is a lightweight internationalization solution.
Service Worker
AWS Amplify ServiceWorker class enables registering a service worker in the browser and communicating with it via postMessage events, so that you can create rich offline experiences with Push APIs and analytics.