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.
Free operating system for Atari computers, and more.
EmuTOS is a TOS compatible operating system for Atari ST series computers, and more. It is made from Digital Research's GPLed original sources and is a free and open source alternative to Atari proprietary ROMs.
LuninuxOS is a Debian/Ubuntu based Linux distribution.
LuninuxOS is a Debian/Ubuntu based Linux distribution designed to be beautiful, clean, simply, fast, and stable. it was previously known as Sn0wl1nuX. It is super-fast, great-looking, secure, intuitive operating system that powers desktops and laptops. LuninuxOS is absolutely free, and comes with a selection of the best applications designed to meet most of your daily needs. It can be run directly from a CD/DVD/USBStick and optionally be installed to a HDD, including IDE, SCSI, SATA, PATA and USB drives.
Syllable Desktop is a complete operating system that is easy to use, powerful, lightweight and extraordinarily fast and responsive. It has its own kernel, filesystem, GUI and applications. Syllable Server is a matching small and efficient Linux server.
scmRTOS is tiny Real-Time Preemptive Operating System intended for use with Single-Chip Microcontrollers. scmRTOS is capable to run on small uCs with as little amount of RAM as 512 bytes. The RTOS is written on C++ and supports various platforms.
RC5 Released! (22-04-2012) Custom ROM for Samsung Galaxy S Plus (i9001), check XDA page for more information.
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
The goal of this project is developing completly free linux environment for Siemens SX1 mobile phone and for any smartphone in the future. Our targets are small size and fast speed.
High performance, assembler coded, both desktop and server operating system. Ease of use, ease of programming, joy of power.
IMA2 Simple command-line editor of binary files (images, object filers, byte code, etc). More sofisticated that F4 option in FAR. More simple that GUI hex editors. Can be useed as command-line utility in scripts.
Covert Linux is technology of instalation for Linux without repartition the disk and running from native system, e.g. you can install Linux from ,say, Windows by grabbing some SETUP.EXE, launching it and then clicking on desktop icon.
KDE real-time log file viewer. The main window contains any number of dockable log panels, each with arbitrary number of log sources. Every log source can have a separate font color and style, filters, alerts and encoding. Hides to tray.
CMAKE build enviroment for LPC2000 and LPC17xx Cortex MCUs
The goal of project is to build CMSIS like environment for LPC2000 series MCU and to write RTOS for LPC2000 and Cortex Microcontrollers
The FDOS Operaing System is 100% written in Assembler (NASM). It supports FAT 12, TSR and a small Multi Kernel System. The source is very good documentated (only in English). A German, russian and English Documentation (about 40 pages) are included.
POSIX API for Win2K-XP. Mainly implemented in the driver. Included: write-on-copy fork, threads, mutexes, spins, condvars, rwlocks, signals ... Signals/cancelation interrupt all waitable syscalls, NT syscalls are automaticaly restarted.
Abstract Character Device Driver, may be used for fast implementing user-space device drivers for test purposes or working with non time critical devices. It's allow use device's I/O ports or memory areas directly, through standard device spec. files.
Agnix is a small operating system kernel for i386, supporting 32-bit protected memory mode, paging, hardware switched tasks, memory tests, PCI bus, devices, PCI IRQ routing, RT timers and network protocols.
"ArBer Linux", Archlinux Cerberus Edition is a Linux-based distro Archlinux 2015-09-01 which includes the installer from the live media? to install "ArBer Linux" Archlinux Cerberus Edition ("ArBer Linux" A.C.E. to reduce) easily, simply and quickly as possible. also included some pre-installed apps for the immediate start of work on the Internet, with files, text documents, video, music, sound, images, photos, web and graphic design, programming, recording a dvd/cd.
#ArchMint, Arch Linux'un sağlamlığı ile Linux Mint'in kolaylığını birleştiren Linux dağıtımı. Beklediğinizden de fazlası...
WELCOME , Easy11 and Service11 provide a open source platform fo p2p wireless networks for linux and windows platforms. Easy11 is a wireless p2p software for free wireless community. Service11 provide support and service for wireless networks
Operation system FreaxOS
FreeDOS-64 is 64-bit Disk Operating System under development for the AMD64 platform.
The Fyrewall follows the philosophy of free software firewall based on FreeBSD, on pfsense framework. The software in the Basic version is available free for download through the portal: www.fyrewall.com.br. It is available in 9 languages. English, Portuguese, French, Spanish, Italian, Russian, Japanese and Chinese
Linux as an Internet IntServ architecture element. - RSVP-capable router (ISI RSVP based). - EDF, RC-EDF, DC-EDF queues.
Idioma is an open source object-oriented operation system. Main goals of Idioma project are simplicity and elegance.