ZoneScreen is a tool for extending your desktop workspace using displays of network connected computers or portable devices like Pocket PC. Like VNC, ZoneScreen is able to mirror local desktop to another computer in the network. The main difference is that it also allows extend desktop, just like the case when you have second monitor connected.

All you need for ZoneScreen to work is network connection between your devices (your computers are both connected to the same network, or connected directly with cross-over cable or 1394 firewire cable, etc). In case you are using Poket PC, you may use connection provided by ActiveSync (using cradle cable, IR port, etc).

Extending functionality is supported for computers running Windows 2000, Windows Server 2003 and Windows XP (x86 and x64). Windows Server 2008, Windows Vista and Windows 7 support is limited.

Features:
1. As ZoneScreen Wizard lacks many features available in most VNC implementations, it is good idea to try VNC-like application instead of Wizard ontop of ZoneScreen Virtual Display Driver. For example, modified TightVNC Server is capable of using update API of ZoneScreen Driver.
2. ZoneScreen Wizard does not use encryption transmitting data between client and server. Therefore all information you send to client is potentially available to everybody in the network.
3. Limited set of screen resolutions is hardcoded to virtual display driver, and up to 10 custom resolutions could be defined using ZoneScreen Wizard.
4. Supported color depths are 8, 16, 24 and 32-bit.
5. ZoneScreen wizard supports command line scripting.
6. Windows XP Sp1 has a bug, described here, which affects ZoneScreen display driver. Upgrade to Sp2 solves the issue. Note that this affects only server machine (client machine do not need ZoneScreen display driver to be installed).
7. You could add more than one virtual display, though this feature is not incorporated into installer. Run 'zsserver.exe /installdisplay' from ZoneScreen program folder.

The license of this software is Free Trial Software, you can free download and get a free trial.