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Aicix is hobby Operating System (OS) of me. It won't be as big as Linux distributions are.
AtlantisOS - An operating system designed from scratch, implemented without using older code and made to be the best1 weekly downloads
The sx4000 project intends to develop the vendor provided Promise sx4000 driver, to a fully operational open source driver, compatible with the latest linux kernel release.
The Cheap-OS project is a project about creating an oprating system with both an operating system for everyone by everyone and with everyone, a os capable of both CLI and a simple GUI. The os should also be capable of launching .EXE and .com executeables
Atheona is a x86 kernel that will be used for learning the functions and processes of an operating system. It will be minimal at first, striving to be POSIX and Unix-compatible.
A portable version of the ARJ archiver, available for a growing number of DOS-like and UNIX-like platforms on a variety of architectures.256 weekly downloads
The Freedows OS Project is creating an open source core Kernel architecture based on the Stanford Cache Kernel model, with the aim to create a stable platform for kernel-level multi-platform emulation.3 weekly downloads
CuteMouse is a DOS based mouse driver, fully written in assembly language. It's optimized for size (and speed) to allocate as small as possible amount of your precious 640KB RAM. It currently supports serial and PS/2 mice and, if BIOS support present an9 weekly downloads
The dude is a UNIX debugging package independent of the ptrace() system call; it consists of a kernel module [the_dude.o], a library to interface with the module [libduderino.so], and an ncurses client [ddbg] .
The Thix Operating System is fully functional at this time. Many free software packages have been succesfully compiled/run under it, including development tools such as the GNU C/C++ Compiler suite. -- VISIT www.thix.eu2 weekly downloads
Story OS is a small microkernel system with object-oriented service interface.
Valuhack is a collaborative effort of a variety of newsgroups to port a simple program to as many languages as possible, while maintaining the true spirit of hacking.3 weekly downloads
Extended Operating System Loader (XOSL) is a full-featured free boot manager with a real, easy-to-use and full-blown graphical user interface. XOSL-OW is an Open Watcom port of XOSL 1.1.5 (Dec 23, 2000) by Geurt Vos developed with Borland BC31.11 weekly downloads
Occam aims to be an extensible, distributed, object-oriented, and secure operating system. It is currently in the planning stages.
Luvalley is a lightweight type-1 Virtual Machine Monitor (VMM) with novel architecture, to enable any OS to host virtual machines as pure applications by utilizing hardware virtualization extensions such as Intel VT and AMD-V.1 weekly downloads
A free, open-sourced, security-focused OS.
XOSL is a graphical boot manager that supports multi-booting of various operating systems. Development is currently done under the XOSL2 title. Historical version download below:18 weekly downloads
Shine provides you develoments tools and programs for Casio Fx2/Graph100/+ calculators.3 weekly downloads
64-bit operating environment.
Innovative prototype of network applications such as TCP fuzzers that can be used for many purposes such as network and application security assessments and more. Adapt it freely to fit your needs or to simply understand how TCP works in .NET.1 weekly downloads
The OpenBIOS project provides you with most free and open source Open Firmware implementations available. Here you find several implementations of IEEE 1275-1994 (Referred to as Open Firmware) compliant firmware.
Development of a mainframe system
In this project, we develop the branch instruction tracing function and its analysis tool. The main aim of this project is to implement this function without change of Linux Kernel source code by using the function of Pentium 4, without recompile.1 weekly downloads
True kernel-level symbolic links in Windows'9x operating systems. File format is compatible with cygwin.1 weekly downloads