OneSignal - Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
DeskCon - DeskCon integrates your Android Device in the Desktop.
Mixpanel - Mixpanel is the most advanced analytics platform in the world for mobile & web.
Pushover - Real-time notifications on your Android, iPhone, iPad, and Desktop
Pushy - Pushy is a reliable push notification gateway for time-sensitive, mission-critical apps.
Pushbullet - Pushbullet - Your devices working better together