ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
AirDroid - Access Android phone/tablet from computer remotely and securely. Manage SMS, files, photos and videos, WhatsApp, Line, WeChat and more on computer.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Pushbullet - Pushbullet - Your devices working better together
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.
AirMore - AirMore is a cross-platform toolset that can help you manage any Android device wirelessly.