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A desktop operating system project to help one getting things done.
The Apollo Project is an early Pre-Alpha of a Kernel experiment run by Primis Computers.
NASM Kernel as part of the Thresh project
Tynix is a real-time kernel for embedded systems with reduced memory availability (without external memory). The project intends to be very small, portable for a large amount of platforms and easily configurable.
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!!
An 8-bit retro computer (but faster and with much better graphics) which harkens back to “proper” machine code programming when you could hit the metal.
VeritOS Project is a free operating system, intended to be an educational tool in the workings of x86 hardware.
This is a functional test of ideas and methods for operating system design and kernel implementation. The project is centered around the x86-32 chips, primarily the 80386. This is an educational project.
Xarnos - A new, highly configurable micro-kernel based OS.
XeNOS is a portable microkernel operating system written mostly in C++. Its primary goal is to provide a simple, object oriented device driver interface and API.
Alios micro kernel A minimal kernel that aims to run GNU software
Operating system for Atmel AT91SAM7 microcontrollers
ArgOS is a research OS based on IA-32 architecture. It's aim is to help others to learn more about the internals of the OS. Also it is designed to be clean and easy to read so students/people with basic knowledge of the C language can understand it.
Armelot is an OS for arm based cpus. It's specifically designed for Philips LPC2129 microprocessor (and supports its peripherals) but it has a modular core and is portable across arm V4 platforms.
Customize Kernel 64-Bit Operating System
crowOS aims not to be a big, wide-spread OS, but only a sort of hobbie-OS of mine, mainly for fun and to learn more about what is going on "under the hood". For now, it will be based on the x86-architecture, written mainly in C but also some Assembly.
eGIS - (Ege Embedded Operating System) is a portable, configurable, extensible object oriented and real-time embedded operating system microkernel written mostly in C++ language and designed using modern software approaches using design patterns.
esx - enhanced spectrum experience
flos operating system
Horizon is a research project aimed at developing a 32-bit Operating System for the Intel architecture. It's written in C and assembler (GAS syntax) and one of its main characteristics is full network integration.
An alternate and minimalistic boot rom for Lisa(s) emulator(s) (or maybe for real hardware in some future...)
Various microcontroller projects and embedded firmware. Assembly language and C source code. Schematics for hardware and board layouts. Embedded tools. Microchip PIC. Biotech automated instrumentation. Perl scripts. By Jonathan Cline at 88proof.com
LinkOS is a network oriented operating system designed to be run on networking infrastructure (routers, switches, etc).
This SF project provides all the necessary source code to create and update a non-representative democracy, i.e. an isocracy. This is the software part of the melting-vote project.
learn how to write a hobby os kernel, this project is just for practice.