MultiDesk is an extension package for OS/2, that enables multiple desktops and users, with individual configurations.

The author has release it as open source software under the GNU GPL V2 license. Thanks to Cristiano Guadagnino for releasing it as Open Source software.
Information and Manual: http://www.os2world.com/wiki/index.php/MultiDesk
Binaries (2001/07/19) : http://hobbes.nmsu.edu/h-viewer.php?dir=/pub/os2/util/wps&file=md-0-2-0.wpi
Source Code GIT: https://github.com/OS2World/UTIL-WPS-Multidesk
Source Code File: http://hobbes.nmsu.edu/h-search.php?key=mudesk_src_0_2_0.zip