Cloud & virtual desktops: EyeOs

EyeOs
This is another good virtual computer. It's look at feel is undoubtedly modelled after Linux.
In addition to the usual utilities, EyeOS provides a public board, an FTP client, and even a process manager.
The website promotes the use of EyeOs in schools, Government,etc. They offer different licensing options, support and training. A downloadable version of EyeOs can be used to run the system on your own server. EyeOS also provides the ability for branding and personalization of its look and feel.

See also:
Set Up a Web-Based Desktop with EyeOS