LinksOS is an effort to create a modern operating system for desktop and development usage.
This project is now dead. It has been replaced by a Wiki located here: http://www.linspireguide.com. If you're interested in getting involved please stop by and sign up.
Development and support of the Cisco/Aironet 802.11 cards for Linux.
Full support for HFS Plus filesystems in a kernel level module designed for Linux (target version: 2.4.x)
A replacement firmware distribution for the 3com 3CRADSL72 a.k.a 3com wireless 11g (distributed by Ya.com) and its identical twin, the SMC7804WBRA, with an ucLinux kernel based system and associated system tools.
Linux-Colonel is a Tcl/Tk project aimed at making compiling & installing Linux 2.4.x kernels easy.
LiteOS is our attempt to write a free OS for calculators known as "TI-68k". TI naturally stands for Texas Instuments while 68k designs the Motorola 68000, in other words the processor running such calculators.
Love-Sources is a Linux kernel patchset maintained by a community. Its purpose is to provide a patchset to optimize desktop performance and test new "unstable" features.
An implementation of the Ext2 (Linux) filesystem for Mac OS X.
Development of a mainframe system
MightyOS is a serious attempt at making a fast and lightweight Operating System written in C++.
Firmware for the Minitar 802.11g Wireless Access Point - MWGAP. This devices runs on the Linux Operating System and this repository will manage the source code for the firmware that runs the device.
MulTIOS is a multi-threaded operating system for the TI-83 Plus Silver Edition and TI-84 Plus calculators.
a new user-level threading library in C for unix-based operating systems which can be made use of to create threaded programs. Apart from threading, the library also provides for mutual exclusion using semaphores.
A Protected mode microkernel for the x86 system. With features like memory management, multitasking and protection will be included in the kernel, the rest will be added as drivers/software.
CLOSED. NeAT OS will create a MacOS compatible emluation layer in an OS for PS2, x86, PPC, and 68k systems while using a NeXT style interface for non-MacOS programs.
An easy to use Development Environment for OS developers to design, write, compile, test, and publish new or existing OS projects with ease.
OS NeXt... The next best thing since Linux! This operating system is unique. It is nothing like Windows or Linux. It has it's own easy scripting and programming langauge so that users can totally customize it. It has crash recovery and so much more!
OSDL Data Center Linux charter: develop and evangelize the roadmap for a Linux platform software that supports commercial software products and corporate IT requirements, enabling developers to create Linux based solutions for the data center market segm
Oberon V4 for Linux and sources for different Oberon V4 implementation
Here you can find both an Oberon V4 system for Linux (x86) as well as a collection of sources for various other platforms. Oberon V4 was implemented at ETH Zurich for several platforms. Binaries can be found on their server and on the one of the University of Linz where Mössenböck's group did further development after he left ETH and the Group at ETH concentrated on System 3. More Information can be found in the wiki https://sourceforge.net/p/oberon/wiki/Home/ of this Project and on Wikipedia https://en.wikipedia.org/wiki/Oberon_(operating_system). In 2013 they were moved here for easy access and, in case of interest, collaboration on further development. The Oberon mailing list is an established channel for its discussion and followed also by the administrators of this SF project.  ftp://ftp.ethoberon.ethz.ch/Oberon/OberonV4/  ftp://oberon.ssw.uni-linz.ac.at/pub/Oberon/  https://lists.inf.ethz.ch/mailman/listinfo/oberon
Open OS aims to be a Linux-based operating system with true and complete Win16 and Win32 compatibility as well as enhanced features. OpenOS will rely on the XWindows server, but will use its own desktop environment and window manager.
A fork of ReactOS which aims to be compatible to the NT architecture (but not a clone) meeting WINE's standards every time a part of NT interface is implemented. The fork was done at revision 9494 before ReactOS changed slowly into Tinykrnl.
OxygenOS is an Object-Oriented Operating System built on top of an L4 Microkernel. Oxygen uses a revolutionary new File System, or rather, an Object System that uses the HardDrive as an extension of the Memory.
A portable operating system based on the java virtual machine.