Synergy - Cross-platform software for sharing your mouse and keyboard between multiple computers
Vysor - Vysor lets you view and control your Android on your computer.
Input Director - Control multiple windows systems with one keyboard/mouse. Share a keyboard and mouse across multiple windows system.
Samsung DeX - Connect your Galaxy S8/S8+ to a monitor
Barrier - Barrier is a cross-platform software for sharing your mouse and keyboard between multiple computers...
AirDroid - Access Android phone/tablet from computer remotely and securely. Manage SMS, files, photos and videos, WhatsApp, Line, WeChat and more on computer.