The classic, refined DOOM source port. For Windows PC.

Tiny STL in C++14

Raspberry Pi Baremetal Projects

A curated list of awesome chinese fonts

A microkernel os for ARM, well ported on Raspberry Pi(s)

Raspberry Pi 3B (32 Bit) Bare Metal Wifi Driver

Ultibo WIFI driver for Bare Metal Raspberry Pi

A small TrueType font rendering library (with hinting).

TrueType font parser and rasterizer

A lightweight TrueType font rendering library

Font decoder for embedding into C, for embedded systems

Simple TTF rasterizer

Trusted side of the TEE

collecting books, papers and docs.

🎈 A simple os in Raspberry Pi 3B

YiYiYa 一个os

📝 A curated list of awesome Raspberry Pi tools, projects, images and resources

very tiny simple bytecode vm engine, None 3rd libs relied, so can be used on most of embedded systems

ARM OS

Gramado OS

---AWESOME--- C++学习笔记和常见面试知识点，C++11特性，包括智能指针、四种强制转换、function和bind、移动语义、完美转发、tuple、多态原理、虚表、友元函数、符号重载、函数指针、深浅拷贝、struct内存对齐、volatile以及union\static等各种关键字的用法等等

中文版的 MIT xv6 文档

HybridOS is a totally new open source operating system designed for smart IoT devices and cloud computing environment.

FreeNOS (Free Niek's Operating System) is an experimental microkernel based operating system for learning purposes written in C++. You may use the code as you wish under the terms of the GPLv3.

RaspberryPi BareMetal env

LK embedded kernel

RISC-V single bootable image builder specific to the following configuration: sbi(sdfirm) kernel(linux) user(busybox)

My public Baremetal Raspberry Pi code

Tutorial: Writing a "bare metal" operating system for Raspberry Pi 4