LXP is a desktop enviroment identical to Windows XP. LXP is a collection of different pieces of GNU software (icewm, xfe, idesk, etc) modified in order to look and feel identical to Windows XP. LXP has its own icewm themes and utility pack.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.