Now you can know about many Desktop Interface and 300+ operating systems(OS) in opensource world by LinTree app.
LinTree app is information base application for Linux, BSD, Solaris, Unix and many other open source or free operating systems. We inspired from DistroWatch site. We get DistroWatch news, head line, package update information from there RSS feed. We also collect many "desktop interfaces" information that can be used on many different OS's.