EyeOS is one of the most established cloud-centric OSes, having been around since 2005. Since its launch the open-source cloud computing OS has gone on to .
With a wide range of bundled software--including office software and a development environment--EyeOS is a great alternative to Chrome OS. You can .
We're not to sure what Microsoft would make of this one. Powered by Silverlight, mimics the desktop environment of Windows 7.