TinkerTool - Tinker with the hidden settings of your Mac
AirDroid - Access Android phone/tablet from computer remotely and securely. Manage SMS, files, photos and videos, WhatsApp, Line, WeChat and more on computer.
Onyx by Titanium - This website provides operating system utilities for macOS
Pushbullet - Pushbullet - Your devices working better together
Cocktail - General purpose system modify/repair utility
Unified Remote - Unified Remote is a software app available for iPhone, Android, and Windows Phone mobile operating systems. It's designed to turn your smartphone into a universal remote. Read more about Unified Remote.