Open Source Operating Systems

FreeOS/1 is a Free, Open Source, FreeDOS based Free and Open Source Alternative OS, with open source Microsoft Windows compatibility using HXDOSExtender KernelEx,and ReactOS source code. FreeOS/1 will include new technologies and will be easy to use

The OS561 operating system based around FORTH/Java. The OS is to run on a VHDL chip OpenHardware design called the Minon, but could become available for other platforms. The unique point of the design is a revolutionary data compression technology.

partitioning backup recovery and all kind of boot loaders

The SXMD (" like Security-X MultiDistribution ") use syslinux, grub4dos and others bootloaders to recover a crashed boot or run many GNU / Linux utilities. The first category is "Antivirus" with editors like Antivir, AVG, Comodo, DrWeb, FSecure, Kaspersky, Panda, VBA ... The second is composed by GNU/Linux's Distro: DSL, CorePlus (+Qemu Starter), Slacko, Slax Custom, Slitaz & XPuD ... After, you can find very good Recovery and Partitioning tools : Redo Backup, Parted Magic, MiniTool Partition Wizard, Paragon, PING, OSF and ActiveBootDisk ... SXMD also gathering a XP PE : Hiren'sBoot with DOS tools ("ubcd"), a Portable Suite and many boot priorities or possibilities. Size : +/- 3Gb Available : USB / DVD version ("coming soon") WebSite : http://www.security-x.fr/tools/SXMD ("under construct")

Sakura is a Knowledge Navigator and User Interface for UNIX, which implements HyperMedia and its own windowing and packing system, both in the main program and in an extensive API for Tcl and other languages.

Can emulate old computer on text the code pogram ideal to create kernel for operating system The begin the project the can emulate CPU(8080)and z80.