Pushover - Real-time notifications on your Android, iPhone, iPad, and Desktop
Google Chrome - Google Chrome is a fast, secure, and free web browser, built for the modern web. Give it a try on your desktop today.
Pushbullet - Pushbullet - Your devices working better together
Apple - Available on iOS
AirMore - AirMore is a cross-platform toolset that can help you manage any Android device wirelessly.
Gotify - a simple self-hosted server for sending and receiving messages