Source code for the book Building a Debugger

Open Source Introductory Systems Programming Textbook for the University of Illinois

Servo-based flight control providing active stability and data logging for model rockets

µC/OS-III is a preemptive, highly portable, and scalable real-time kernel. Designed for ease of use on a huge number of CPU architectures.

µC/OS-II is a preemptive, highly portable, and scalable real-time kernels. Designed for ease of use on a huge number of CPU architectures.

Complete, independent operating system built by humans.

RTOS combining Linux rigor with Plan 9 simplicity, designed around SMP, real-time scheduling, and integrated networking.

Run Arm64/x86-64 Linux ELF binaries on macOS Apple Silicon

Bare-Metal Embedded C Programming by Packt Publishing

Source code form book 'Mac OS X Internals: A Systems Approach, by Amit Singh'

A secure, fast, and adaptable OS based on the seL4 microkernel

BORE (Burst-Oriented Response Enhancer) CPU Scheduler

Boot a real Linux kernel as an in-process library (LKL) and route intercepted syscalls to it via seccomp

Understanding the Linux 2.6.8.1 CPU Scheduler

Generate BTF trace file for FreeRTOS

Linux kernel library functions formally verified.

Minimal x86 Kernel - built in Zig

A tiny educational OS for Arm64(Raspberry Pi 4)

Running linux 7.0 with only 1MB SRAM running on STM32H750.

Tiny Linux bootloader for the STM32F429-Discovery

Fork of https://github.com/afaerber/afboot-stm32

Design and Document files for the BeagleBone Black from BeagleBoard.org

GNU toolchain for RISC-V, including GCC

Claude Opus 4.6 wrote a dependency-free C compiler in Rust, with backends targeting x86 (64- and 32-bit), ARM, and RISC-V, capable of compiling a booting Linux kernel.

Is Parallel Programming Hard, And If So, What Can You Do About It?

SecureSMX RTOS

lol an elf based filesystem

Astrological CPU Scheduler

Easily portable doom

A complete Material Design 3 implementation in pure C