Visopsys is an alternative operating system for PC compatible computers.  Under development since late 1997, this system is small, fast, and open source.  It features a simple but functional graphical interface, pre-emptive multitasking, and virtual memory.  Though it attempts to be compatible in a number of ways, Visopsys is not a clone of any other operating system.  You can demo the distribution from a "live" CD or floppy disk ... (read more).

Small and fast Graphical user interface Fully multitasking 100% protected mode open source, free software

NEWS: Version 0.72 is now available from the download page (more news)