An operating system based on the best Windows NT design principles
ReactOS is an open source effort to develop a quality operating system that is compatible with applications and drivers written for the Microsoft Windows NT family of operating systems (NT4, 2000, XP, 2003).
The AROS Research Operating System is an effort to implement an Open Source and portable operating system that is compatible with AmigaOS(TM). Originally, it was meant as a direct reimplementation, but already has features not existing in AmigaOS.
OS-9/6809 compatible operating system for Tandy CoCo and Dragon
The NitrOS-9 Project provides an OS-9/6809 compatible operating system for the Tandy/TRS-80 Color Computer and Dragon home computer.
Run Linux on the Playstation 2
Kernelloader is a free bootloader for PS2 Linux and other Playstation 2 operating systems. Loading can be done by "Action Replay Media Player", by "memory card exploit", by "FMCB" or any other homebrew loading method. If you downloaded the latest Linux Live DVD, you need to run the online updater to be able to play Youtube videos.
Real-Time Embedded Operating System
Nuttx is a real time embedded operating system (RTOS). Its goals are: (1) small footprint usable in deeply embedded, resource constrained environments, (2) fully scalable from tiny (8-bit) to moderate (32-bit), (3) standards compliance, (4) real time, and (5) totally open. Think "Tiny Linux".
JNode is a Java New Operating system Design Effort. JNode is a simple to use and install Java operating system for personal use on modern devices. Any java application runs on it, fast and safe. See our homepage for additional information.
ArchOne is an archlinux-based live usb designed for Acer Aspire One netbook (it also compatible with other netbook). For more info, visit http://archone.sourceforge.net
Haiku is an open-source operating system currently in development designed from the ground up for desktop computing.
freeRTOS for Arduino Uno, Goldilocks 1284p & Mega 2560
AVR ATmega port of freeRTOS A port of freeRTOS which can be flexibly flexibly configured use almost any available Timer on AVR ATmega devices and will operate with almost any classic Arduino device from Arduino, SeeedStudio, Sparkfun, Freetronics or Pololu. Going forward this repository will be updated less often and only with major releases. Please check at Github for the latest commits. https://github.com/feilipu/avrfreertos The Goldilocks Analogue story is told here. http://feilipu.me/?s=Goldilocks+Analogue The Goldilocks 1284p story is here. http://feilipu.me/2013/03/08/goldilocks-1284p-arduino-uno-clone/ If this repository is too complicated to get started, a minimum AVR freeRTOS configured using the Watchdog Timer and Heap 3 is also also available. https://github.com/feilipu/miniAVRfreeRTOS For the Arduino platform there is a freeRTOS Library available in the Arduino IDE Library manager. https://github.com/feilipu/Arduino_FreeRTOS_Library
KahelOS is an Arch-based distro that has a desktop and server editions, follows a rolling release schedule, boasts of optimum performance on i686 and x86-64 systems, and has btrfs, nilfs and ext4 filesystems.
"µOS++" (micro OS plus plus) is an open source, royalty-free, real-time operating system intended for embedded systems built around ARM Cortex M or AVR devices. It is based on a preemptive scheduler written in C++ (more info in the Wiki).
Written in pure ASM and Exode with cloud computing in mind.
Cloudium OS is being written in pure ASM. It's designed for speed and ease, having cloud computing in mind. It also is secure (without requiring constant user input like Windows). But, how are we going to do this? Well every os wants/says these kind of things, so to accomplish our goals we follow these simple rules: keep it simple (that's way better then these complex interfaces etc. almost nobody wants), generalize (this makes things easier and more useful without extra complexity) and be inventive (sometimes doing it the classical way just doesn't work). Note: development peace will be temporarily lowered until February the fifth. Please check out our OS and Project site!
A from-scratch Linux distro from Greece
Cinux is a Linux based Operating System that formerly came with Xfce as its window manager. It's a distribution built according to the Linux From Scratch manual, but with additional goodies. Default user: root, with empty password
gobang operating system
Gobang is a light and fast operating system based on Ubuntu repositories. The default environment is built on the Openbox window manager. G.B.L allows you to easily and quickly customize your system to suit your needs. ISO images are not issued regularly and contain alternate installation CDs.. The idea to create GoBang OS was born out of the need for rapid, lightweight operating system that aims to provide an alternative look at the OS. The system allows a large amount of software installations, and complete control over the appearance. The GoBang Project aims nature of information and education. DESCRIPTION GoBang 2.04.3 Code Name: "Pure" Kernels: 3.13 Display manager: Slim Sesions: Openbox File manager: Thunar Web browser: Luakit, Links2, Xlinks2 Terminals: Terminator, Xterm Packages manager: Aptitude Last Upgrade: 16.01.2016
An open source identity and IT infrastructure management solution
Univention Corporate Server (UCS) is the free to use, innovative platform to efficiently operate and manage server applications and complete IT infrastructures. UCS is optimally suited for the management of distributed, heterogeneous and virtualized IT environments, no matter whether you deploy Microsoft Windows, Mac OS X or Linux systems. The integrated identity and infrastructure management system allows the secure administration of applications and provision of infrastructure services as well as the central, cross-location and cross-platform management of server and desktop systems via an intuitive web interface. Thanks to open interfaces and easy-to-use connectors, UCS can be effortlessly integrated in existing environments. Via the integrated App Center, it offers a large number of enterprise applications, which can be operated with a few clicks. Extensive Active Directory functions allow both the integration as well as the migration from Microsoft.
Linux kernel patches, device drivers and related userspace applications developed for the Crossbow Imote 2 platform. Also supports the Intel Stargate 2.
An open source operating system for x86.
PoliArch è un sistema Linux adibito al recovery
PoliArch è una distribuzione GNU/Linux adibita alla gestione, alla manutezione e al recovery del computer.
Alternative operating system for x86 computers
Visopsys is an alternative operating system for PC compatible computers. In development since 1997, this system is small, fast, and open source. It features a simple but functional graphical interface, pre-emptive multitasking, and virtual memory. Though it attempts to be compatible in a number of ways, Visopsys is not a clone of any other operating system. You can demo the distribution from a “live” CD/DVD or floppy disk
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.
Acquaintance OS aims to be a lightweight Linux distribution based off of OpenSUSE. Remember, don't be fooled by the OpenSUSE branding, this project is very different from OpenSUSE, software-wise and goal-wise.
Screens is an easy-to-use modular OS-like multi-platform API layer over your existing OS that allows developers to make applications for nearly every popular OS, whether it be Palm OS, PC, or PocketPC, with just one set of code.
The Open2x project exists to provide an open source resource for the GP2X handheld console based on the MagicEyes MMSP2 processing platform and MP2520F SoC. The project hosts Linux kernel source for the GP2X, boot loader (U-Boot) source and more.
Jinx is a minimalistic graphical operating system for use on old computers with 64MB RAM. Suitable for desktop,business,library use. Includes browser, office applications in 50MB ISO. Optimized for tiny size.
A minimal Linux distro
Aloofix is a build kit for creating a minimalist Linux distribution optimized for running in a virtual machine.