Talkwalker Alerts - Better than Google Alerts
Pusher Beams - Send push notifications programmatically at scale
Fresh Web Explorer - Far Superior Alternative to Google Alerts
Push Notification Preview - A simple tool for previewing push notification copy
mention - Media monitoring made easy with Mention. Create alerts on your name, brand, competitors and be informed in real-time of any mention on the web and social networks
Ultimate Push Notifications by Ecomfit - Retarget customers and protect abandoned cart to boost sale