PWABuilder - Formerly Manifoldjs, the simplest way to create progressive web apps across platforms and devices
Web2Desk - Web2Desk is a tool to convert your favorite websites to Desktop app in just one click.
Progressier - The No-Code Progressive Web App Toolset. Add PWA installation, offline capabilities, caching strategies, push notifications to your web app or website. No code to write.
Fluid - Turn Your Favorite Web Apps into Real Mac Apps.
PWA 2 APK - Convert progressive web apps to play store apps for free
ToDesktop - Convert your web app to a desktop app in 2 minutes.