The Google Cemetery - A list of dead Google products and why they died
PushPro - Send Push Notifications from any website to mobile devices
Product Haunt - Browse the Product Hunt graveyard 👻
Push Notification Preview - A simple tool for previewing push notification copy
Failory - Failory is a community visited by startup founders every day to read articles about entrepreneurship, interviews with failed and successful founders, insightful postmortems and our monthly reports.
Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.