Pusher Beams - Send push notifications programmatically at scale
HackerWeb - A simple and readable Hacker News app
PushOwl - Re-engage website visitors with push notifications
HNBuddy - An elegant iOS client for Hacker News ✨
Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
HNPWA - Hacker News readers as Progressive Web Apps