Digital version of the classic mechanical orrery

Tiny Tapeout 9

Tiny Tapeout 8

DVD style screen saver with the Tiny Tapeout logo

Classic Mac OS resource fork and application disassembler, with reverse-engineering tools for specific applications

a gcc-based cross-compiler for classic 68K and PPC Macintoshes

A self-hosted Ada-inspired programming language for very small systems.

A collaborative, open dataset for and by the Toki Pona community.

Disassembly of the Apple II Desktop - ProDOS GUI

A Macintosh II emulator that runs A/UX

Desktop system for creators with a focus on simplicity, elegance, and usability. Based on FreeBSD. Less, but better!

The unofficial source code mirror for Apple Lisa.

A parser and browser for the Lisa source code published by the Computer History Museum

The first fully functional Lisa Emulator™

Basic low-level I/O routines for Lisa

The first fully functional Lisa Emulator™

Apple Lisa Emulator v1.2.x

Little app to see HyperCard stacks in Mac OS X. Programmed in Swift.

RotaryEncoder Arduino Library

An Arduino-based device for testing and emulating ProFile hard drives.

MacFlim flim player source code and utilities

Animal Crossing: New Leaf Pattern Tool

Feature test for color font support in browsers

Font and source files for Ursula K. Leguin's invented Kesh script

Hyperscan Code Uploader

Tools for working with sunplus unSP architecture code files

An intuitive software erector kit targeted at people new to programming, but with enough potential to stay useful once they've learned, inspired by HyperCard.

Maybe one day a WINE-style implementation of the classic Mac Toolbox.

A pluggable jar containing stubs for the Apple Java Extensions, updated for Java 5 & 6.