NVIDIA Linux open GPU kernel module source
The source for the Linux kernel used in Windows Subsystem for Linux 2
A BSD-based OS project that aims to provide an experience with MacOS
Real-Time Event Frameworks based on active objects & state machines
The classic RPL programming language reimplemented and reimagined.
Software development for 4Mb portable, using Z80 CPU and AA batteries
Hobby operating system, bootloader, kernel, drivers, C library
A microkernel-based multiserver operating system written from scratch.
Latest Android builds from PixelBoot.
Casper-fs is a Custom LKM generator to protect and hide files.
The first OpenSolaris based distro (since June 2005)
OS bootable from Linux,Windows and others partitions as auxiliary OS
UNIX/LINUX and legal homebrew software on the xbox360 gaming console
Open-source RTOS and Embedded Systems Toolkit for C++ and C
PRTOS is a simple, compact preemptive RTOS for embedded systems
Rewrite Minix 3 from C to D
ext2/3/4 library for microcontrollers
A UNIX-like kernel for the i386 architecture
Mulithreading Arduno library
Simulating an IP packet traversing the Linux kernel.
Run Linux on Windows or other OSes, natively.