All the sources (Schematics, PCB, VHDL, BIOS sources) for the M8SBC-486. This project is a 486 Homebrew computer, with some efforts to make it kinda PC compatible

Instructions on how to install modern Gentoo Linux on ancient 486-based PCs.

A x86 PC emulator written in Java

Slides on how Wolf and maybe one day other ID games worked

A 3D turn based adventure for 8, 16 and 32-bit retro and modern platforms; you're a space trashman with a simple mission (Remake of a remake of a remake of a remake)

PTSource Mulinux is a dedicated initiative focused on maintaining and sustaining the legacy of professor Michele Andreoli's MuLinux project. MuLinux, renowned for its minimalistic design, is a lightweight, flexible Linux distribution that can run on older hardware with limited resources.

Kicad library for 486 CPU socket

FN-DOS is a 16bit x86 operating system.

Small application to fix CHS boot issues on older machines

RustChain DOS Miner for 8086/286/386/486/Pentium - Fossil Edition

You move the red cursor and must capture all chaotic particles (the gray squares) before the time runs out (the red bar).

the OG, DOOM in all its 486 glory.. big chunky pixels.. zesty sound blaster tunes.. cranked WAY UP

486 Cpu Interposer

Yet another 486 L2 cache adapter

XOS is self-hosting, 32bit 80486-based multitasking hobby operating system written in C, using Open Watcom toolchain.