Huawei Mobile Services - Huawei Mobile Services app comes up with features to help you in accessing a large number of advanced features such as payments, push notifications, and Huawei ID, etc.
Pushbullet - Pushbullet - Your devices working better together
Pushover - Real-time notifications on your Android, iPhone, iPad, and Desktop
Samsung Accessory Service - Samsung Accessory Service app provides features through which users can connect their accessories to their mobile phones using a variety of different connectivity methods and environments.
Gotify - a simple self-hosted server for sending and receiving messages
AirDroid - Access Android phone/tablet from computer remotely and securely. Manage SMS, files, photos and videos, WhatsApp, Line, WeChat and more on computer.