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Mattise is a simple hobby operating system designed to run fast on 32-bit PCs. A newlib port will be released soon for developers to write their own programs for Mattise.
The MyNOS project aims at developing a new and different operating
system, based on high-level languages. MyNOS will be based on the
OCaml bytecode interpreter. We'd like to explore microkernel
architecture and new language definition too.
IFEM (Industrial, Fault tolerant, EMbedded) is a modern OS with a hybrid kernel design benefitting from ideas such as Pure Microkernel and Exokernel, aiming industrial application, fault-tolerance, embedded applications and perfect modularity.
'EOS' is a fully-featured preemptive real time kernel developed for the Infineon XC167 microcontroller. Performance summary: A typical context switch will take about 100[microsecond] at 40[MHz], when all tasks have a stack of 256 bytes.
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SimpleAVROS is RTOS designed special for AVR microcontrollers. Supported Compiler - AVR Studio. Language - Assembly. This is RTOS consist of sourcecode. Supported microcontrollers - ATmega48; In the future- ATmega88/168, ATmega164/324/644, AT90usb82/162
ManRiX is an opensource microkernel based operating system with POSIX interface. It is written from scratch using C and Assembly. Microkernel contains just few basic components of an Operating System while others are implemented as user process.
DOGTOWN - Free Software & Tools for administrators ||| please read the Release Notes or docs @ http://dogtown.mare-system.de for a description of each package
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Open Source microkernel for ia32 architecture. Basically this is a full functional operating system implementation using GNU C and nasm. Fully commented in spanish and with external documents explaining system calls, library functions, design, etc.
MGOS3 a small OS currently under development, MGOS3 is aimed at the IA-32 architecture, currently it is distributed in the form of .x COFF executables, which are used with a 1_44 floppy image for simulation or writing to a floppy disk for execution
The Patagonia OS is intended to work with x86 computers. It is for general purposes and can be modified easily and add drivers for other devices. The main idea of this kernel is transform PCs into research machines.
**DISCONTINUED** BOS – B.lu operating System, is an operating system dedicated to small microcontrollers and CPUs without MMU. Actually is dedicated to Texas Instruments MSP430 microcontrollers (it can be ported to other CPUs without great changes)
Nx is a simple (yet only x86) multiprocess operating system kernel written in C (and some parts in assembly) from scratch. Our goal is to achieve high performance, speed, flexibility and security by using the simpliest possible design.
Develop your own Real Time Kernel. BastKernel is designed both for Hard Real Time Applications and Time Sharing. The BastKernel is compiled under Win32 environment. It's easy to install Bastkernel and useful for educational purpose.
This is simply a kernel written in C and assembly targeted to rebuild the majority of software, libraries and tools to create a stand alone software solution.
A small micro operating system kernel written in C (and partly assembly).
Planned features are: software based preemptive multitasking/threading, paging, kernel API, IPC, client/server, security system.
The code is designed to be clearly understandable.
Javum, the Java Virtual Unix Machine, is an ambitious project which aims to provide a full virtualized Unix environment including C compiler (GCC), Unix-like API, shell, and command line tools, inside of a JVM. Details @ http://javum.wiki.sourceforge.net