Mightytext - Send & Receive SMS Text Messages from your computer. Sync'd with your Android #
Pushover - Real-time notifications on your Android, iPhone, iPad, and Desktop
AirDroid - Access Android phone/tablet from computer remotely and securely. Manage SMS, files, photos and videos, WhatsApp, Line, WeChat and more on computer.
Pushbullet - Pushbullet - Your devices working better together
FreshSound.ru - FreshSound.ru is a user-friendly platform that allows you to create and store complete multi-track music projects on your Android phone or tablet device.
AirMore - AirMore is a cross-platform toolset that can help you manage any Android device wirelessly.