ZoneScreen is a tool for extending your desktop workspace using displays of network connected computers or portable devices like Pocket PC. Like VNC, ZoneScreen able to mirror local desktop to another computer in the network. The main difference is that it allows extend local desktop, not only mirroring it. Also, you could use ZoneScreen for Windows Mobile to extend/mirror your desktop to screen of your Pocket PC. ZoneScreen consists of two parts: kernel-mode ZoneScreen Virtual Display Driver which is visible to Windows just as normal video card with monitor attached to it, and user-mode ZoneScreen Wizard which is responsible for capturing image (running at server side), transmitting it over the network, and drawing it at another computer (running at client side). Machine with extended desktop called server. Server machine have Virtual Display Driver installed and ZoneScreen Wizard running in server mode. Another machine acts only as external display and called client. Client machine have only ZoneScreen Wizard running in client mode.
Windows 7 64-bit,