Kernel Source Archive: Other software

The Kernel Source Archive contains the sources to some non-kernel pieces of software which developers may find useful or of historical interest alongside the kernel releases.

4DOS
4DOS is a replacement for command.com on MS-DOS and compatible systems, now available under a modified MIT license and aimed at users of the FreeDOS operating system.
FreeGEM-XM
FreeGEM-XM is an open source version of GEM, an early graphical user interface for DOS, the Atari ST, and other systems. The FreeGEM project continued development of GEM after Caldera (now Lineo, part of the SCO Group) released its sources under the terms of the GNU General Public License.
Open Boot PROM
The Open Boot PROM is Sun's Open Firmware implementation, as used on its SPARC workstations and servers. Sun made the sources to Open Boot available as part of its OpenSPARC initiative.

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