AirDroid - Access Android phone/tablet from computer remotely and securely. Manage SMS, files, photos and videos, WhatsApp, Line, WeChat and more on computer.
Androidscreencast - Desktop app to control an android device remotely using mouse and keyboard.
Pushbullet - Pushbullet - Your devices working better together
MyPhoneExplorer - WHAT IS MY PHONE EXPLORER? Imagine if your PC could be used to keep track of your mobile phone? How would you utilize a PC client that connects to your phone? Read more about MyPhoneExplorer.
Pushover - Real-time notifications on your Android, iPhone, iPad, and Desktop
Vysor - Vysor lets you view and control your Android on your computer.