Freedos: FreeDOS aims to be a complete, free, 100% MS-DOS compatible operating
system. Last modification on December 25 2000.
JOS (Java Operating System): The JOS Project is a collaborative undertaking by an international group
of Java(tm) programmers and enthusiasts aimed at the creation of a free and
open Java(tm) Operating System (JOS). Last modification on December 17 2000.
HURD: The GNU Hurd is the GNU project's replacement for the Unix kernel. The
Hurd is a collection of servers that run on the Mach microkernel to implement
file systems, network protocols, file access control, and other features that
are implemented by the Unix kernel or similar kernels (such as Linux). Last modification on December 4 2000.
Fiasco: Fiasco is a microkernel with real-time capabilities running on x86 PCs.
It is compatible with the L4 microkernel, which has set standards in
microkernel performance and functionality. Fiasco can run L4Linux, a port of
the Linux kernel to the L4 interface which executes completely in user mode. Last modification on October 11 2000.
Ecos: Free real-time OS for embedded projects. Last modification on October 31 2000.