a2hs.js
(github.com) A package to help add PWAs to the Home Screen on iOS.Make your PWA feel more like an app
(web.dev) “Make your Progressive Web App not feel like a website, but like a ‘real’ app”Progressier
(progressier.com) An automated tool to add installation, push notifications, and offline caching to your existing web app.
Publish a Progressive Web App to the Microsoft Store
(docs.microsoft.com) Microsoft's documentation for how to publish PWAs to their storePWA Badge
(github.com) “Like Native Apps, The PWA Badge API allows installed web apps to set an application-wide badge on the app icon.”