Hobby operating system for vintage 32-bit PCs

A 486-class PC emulator written entirely in Visual Basic 6

Rust Linux-compatible kernel

A GUI tool for customizing and installing the firmware of the Lenovo ThinkPad Compact USB Keyboard with TrackPoint

Hardcover.app status updating from KOReader

Z80-μLM is a 2-bit quantized language model small enough to run on an 8-bit Z80 processor. Train conversational models in Python, export them as CP/M .COM binaries, and chat with your vintage compu…

A 68030 accelerator for Machintosh Plus computers

mini C compiler for esp32 / Xtensa

Create StuffIt archives on Unix systems

Zork I (Microcomputer Version) by Infocom

Use OpenBSD in github actions

Store your data from all your accounts and devices in a single cohesive timeline on your own computer

Patina Firmware

An open-source reimplementation of Apple Macintosh System 7 for modern x86 hardware, bootable via GRUB2/Multiboot2

Fast Tor Onion Service vanity address generator

An implementation of a small TCP/IP protocol stack for learning.

The R9 operating system

MinC Is Not Cygwin

A port of Mbed-TLS for the Classic Macintosh OS 7/8/9

Codebase for firmware that runs on Pebble smartwatches.

A versatile DIY serial terminal

A high-legibility programming font engineered to minimize cognitive load.

Open-source FPGA retro emulation handheld

HDMI to whatever adapter

Micro Mac, minimalist Macintosh 128K emulator

Home of Quamina, a fast pattern-matching library in Go

A recreation of the classic Visual Basic 6 IDE and language in C# with Avalonia

The Crystal Programming Language

Motorola 680x0 emulator written in C

Wolfenstein 3D demake for the Arduboy FX