How to create an OS from scratch

Free and Open Source Reverse Engineering Platform powered by rizin

Bootstrap yourself to write an OS from scratch. A book for self-learner.

16-bit Windows (Windows 1.x, 2.x, 3.0, 3.1, etc.) on 64-bit Windows

Quibble - the custom Windows bootloader

Windows kernel hacking framework, driver template, hypervisor and API written on C++

Hook system calls, context switches, page faults and more.

A fast usermode x86 and x86-64 emulator for Arm64 Linux

MacReverse Tools and Demo

Modern C++ Programming Course (C++03/11/14/17/20/23/26)

⛄ Possibly the smallest compiler ever

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes