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webCPU - A virtual processor that runs on both server- and client side, allowing interaction with each other but also features like multi-processing, creating a virtual machine web-basis to build upon.
Use an Atari ST as a Development Kit.
Tourk is a framework for developing programming games, where two (or more) people write game playing code (like Deep Blue) and a controller puts the two against each other.
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TriOS - The Object Oriented Operating System, is the next generation operating system. Fully based on object orientation, it brings unique features to programmers and end users. Basically everything in TriOS is an object, even files and programs! Enjoy!!
A function is computable if it can be computed by a Turing machine. A Turing machine is a very simple machine, but, logically speaking, has all the power of any digital computer. The Turing Optimizer utilizes this to superoptimize code.
Urinel is a dynamic kernel-less operating system designed for maximum code reuse. This improves the efficiency and stability of the code and reduces the size of applications allowing a wide range of functionality to applications.
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.
WISDOM is a 32-bit operating system with a primitive shell implemented. It is copyrighted under GNU/GPL license. WISDOM is also a research into the field of design of operating system. Operating System Development has been in the shadow in recent times.
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Wings is an OS for the 65816, in particular the C64 SCPU.
WinMac is attempt to clone Mac OS X for the intel platform using the Apple Darwin 1.2 kernel. There are currently two teams working on the project. The kernel team is working on the basic compiling of Darwin on Intel. The GUI team is researching the Aqua
A Wonderswan emulator for GP32 (Gamepark: Korean Handheld). Based on OSwan 0.7, but with many changes.
WxMonitor: An Open Source Weather Monitoring System This is a project to develop a Ruby based client and server system for the purpose of communicating with a Micro-Controller based weather monitoring system and display the data in real time.
XOA-DOS is a DOS-like operating system implemented in x86 assembly, syntax NASM. It intends to be an educational project.
Yamit - Scalable, Portable and High Performance POSIX complaint OS. Microkernel based Operating System designed for tightly or loosely coupled multiprocessor hardware.
Yet Another Useless Library! Yaul is a very unique open source Sega Saturn high-level library that makes programming for the hardware much easier.
Zeus Grid is a Grid Computing environment usefull to run systems in heterogenous machines at same time. In this first step, it will only compile, run and collect application results and file storage.
A Interactive Network VideoGame
[g]NU OS is an attempt at creating a totally new operating system for the IA-32 80x86 platform. We're currently recruiting persons interested in the project (no experience needed, we can point you in the right direction).
Hosting home-made software which is mathematically proven to be correct. We make use of tools like HOL, PVS, ...
Just another view on how should OS be designed. Streams based architecture, micro kernel, dynamic loading/removing drivers without OS rebooting, ...
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.
avOS Aims to be a replacement for the archos AV300 O/S firmware. This will either be achieved by porting linux to the Archos, writing a custom O/S from scratch, or writing a custom JVM from scratch. The Archos AV300 uses a TMS320DSC25 ARM7 based DSP.
Basicbuilder is a program for the ti83+/84+ calculators. It can package basic programs as apps, from which they can be directly executed.
A small shell-like Operating System