uDOS is a free operating system built on the FreeDOS kernel with DJGPP. uDOS provides an integrated suite of features inluding Perl, Python, etc., as well as a Watt-32 based networking environment and ELF library support. Can be run live from CD image.
A collection of dozens of entertaining educational programs. Optionally bootable from Floppy, CD, or USB. Only the open source portions of FUZOMA are hosted on Sourceforge. Visit the Project Homepage for the full version of FUZOMA.