sw-precache : Service Worker Precache is a module for generating a service worker that precaches resources. The module can be used in JavaScript-based build scripts...
sw-toolbox : A collection of service worker tools for offlining runtime requests
Workbox : JavaScript Libraries for adding offline support to web apps.
2016 Guide to User Data Security : This guide is for the software developer, architect or system administrator who doesn't want to spend a lifetime wading through cryptographic algorith...
The Service Worker Cookbook is a collection of working, practical examples of using service workers in modern web apps.