simbolz is a project which wants to create a new, totally logical, simple free language and computer-system. It should be usable as an programming language and, for communication between humans, and it wants to be able to explain complex structures.
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.