There was a download of Dual Monitor 1.22.021813 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
This free PC software was developed to work on Windows XP, Windows Vista, Windows 7, Windows 8 or Windows 10 and can function on 32-bit systems. The program relates to System Utilities. The actual developer of the free software is Cristi Diaconu. The following versions: 1.2, 1.1 and 1.0 are the most frequently downloaded ones by the program users. The default filenames for the program's installer are DualMonitor.exe or DMT.exe etc.
From the developer:
It allows you to extend the taskbar when using a dual monitor. With this tool you will have an extended Windows taskbar with the buttons of the open windows which are shown on the secondary monitor
-Taskbar on the second monitor
You may want to check out more software, such as Dual Monitor Tools, Dual Writer or LAN Audio Monitor Sending End, which might be related to Dual Monitor.