64Zbit.com
Tech is way, WAY interesting

Tag notifications

Pushover: Simple Notifications for Android, iPhone, iPad, and Desktops

Simple Notifications Pushover makes it easy to get real-time notifications on your Android, iPhone, iPad, and Desktop (Android Wear and Apple Watch, too!)

Alerty

Send yourself native notifications from your apps and servers. Free to try, $5/month for unlimited.