Pusher Beams - Send push notifications programmatically at scale
Talkwalker Alerts - Better than Google Alerts
PushOwl - Re-engage website visitors with push notifications
Mentioned By - Learn when your site is mentioned by other sites for free
Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
Fresh Web Explorer - Far Superior Alternative to Google Alerts