Instruction set, compiler, emulator and operating system

How to write a very simple JIT compiler

Simple C compiler

A Tiny Linux-Compatible Kernel

an implementation of the POSIX lex utility

GameBoy Emulator in C (port for profanOS)

A UNIX-like kernel for the i386 architecture

C in four functions

A minecraft server implementation written in C for machines with limited resources.

C23 compiler with C2y/GNU extensions for x86-64 Linux/BSD, written in C99

Gravity Programming Language

A self-hosting and educational C optimizing compiler

A template to make C++ programs on profanOS (with partial C++ std library) using Cmake build system

TinySSH is small server (less than 100000 words of code)

Standalone C compiler/assembler/linker/libc for x86-64/aarch64/riscv64/wasm

Write a simple interpreter of C. Inspired by c4 and largely based on it.

A Mimimalistic UNIX-like kernel written in Zig

A minimalist C compiler with x86_64 code generation

ToaruOS frontend for Netsurf (just the frontend)

Public mirror. Pull requests and Issues accepted

A port of PDCurses for profanOS

ISO of the main branch

fork (of the fork) of sdl2 for profanOS

A tiny operating system

simple transfer protocol and package manager for profanos (udp)

Making reliable TCP from UDP

A simple TFTP Server and Client Implementation in C.

Mirror

An Embedded 🐧Linux on a Single 💾Floppy