a desktop manager to create up to ten virtual desktops and switch among them
Virtual Desk is a free to try software. You can free download and try it for an evaluation period.
Jitbit HelpDesk 2.7.8
Jitbit Help-Desk - customer support and knowledge-base software based on ASP.NET. Jitbit HelpDesk is a web based help desk software ("trouble ticket software" or "issue tracking software"). Easy to install, accessible from anywhere via Web.
Eltima Virtual Serial Port Driver 6.9
Eltima Virtual Serial Port Driver creates any number of virtual serial ports in your system and connects them into pairs via virtual null modem cable. You can create as many virtual serial ports in your system as possible to fit your needs.