vlazurin's Stars
blanham/ChickenOS
A small monolithic kernel OS. Rough around the edges, and still contains bits of code in the early startup stages taken from the OSDev wiki.
twpedersen/ne2k
ne2k driver for the TOS operating system
kyle-johnson/RippleKernel
a kernel I made back in 2002; lots of hacks and crazy stuff, but a good learning experience around mutexes, semaphores, memory management, threading, low-level hardware, etc :)
matja/utx
Bootable 'kernel' for x86 hardware
yuan-xy/Linux-0.11
The old Linux kernel source ver 0.11 which has been tested under modern Linux, Mac OSX and Windows.
klange/toaruos
A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network stack, etc.
mirror/reactos
svn://svn.reactos.org/reactos/trunk
ishanthilina/USB-FAT32-Bootloader
A simple FAT32 bootloader written in assembly to boot from USB drives.
stevej/osdev
A hobby operating system built mostly from scratch.
Thynix/osdev
A hobby operating system built mostly from scratch.
levex/levos6
LevOS 6 - OSDev Project, creating a UNIX-like kernel!
pdoane/osdev
Hobby OS project for learning more about low-level hardware (GPUs, networking, USB)
AndreyMalykhin/RealTalk
Real Talk is a primitive procedural programming language.
Nurgak/Cube-engine
3D engine completely written in HTML5 without OpenGL