Parallels Server for Mac was not in development for more than a year before its alpha stage was demoed at MacWorld 2008 and the product was officially released on June 17, 2008.
This software allows users to run multiple distributions of Linux, Windows and FreeBSD server applications alongside Mac OS X Server on Intel-based Apple hardware.
Parallels Server for Mac is a server-side desktop virtualization product built for the Mac OS X Server platform and is developed by Parallels, Inc., a developer of desktop virtualization and virtual private server software.