Looking for non-Linux open-source options? From ghosts of past operating systems to fascinating works in progress, here are my top picks.

Do you remember Digital Research's Concurrent CP/M and Concurrent DOS? In this little walk down memory lane, how about MP/M? Ncomputing is walking down the same historical path. The goal of all of ...

Linux has been time-proven to be a reliable operating system. Although the desktop is not a new place for Linux, most Linux-based systems have been used as servers and embedded systems.