ROM based March-U RAM test for the Apple II

Apple II Peripheral Card that Interfaces to a ATMEGA328P for SD card storage

A Super Small Language Model for Apple II. Writes poetry.

Mark Percival's legendary DiskMaker 8 program for Apple II computers

Play a 5.25" floppy like a record

Disassembling the Apple IIc's ROM with 6502bench to make it more readable.

A list of known filetypes for the Apple II computer

Apple II Peripheral Card that Interfaces to a ATMEGA328P for SD card storage

Pacman clone for the Apple IIGS computer

Open-source code and assets from Lawless Legends and its supporting tools

Apple Emulator Frontend for MAME

Streaming video and audio for Apple II

Improved Apple //c (ROM 4X) and Apple IIc Plus (ROM 5X) firmware.

Play "Binary Time constant" Sound on the Apple II

Homebrew formulae for anything related to Apple I, Apple II, Apple ///, and Apple IIGS emulators.

Desktop image tool to convert modern (JPG/PNG/etc) images for use with Apple ][ computers.

Apple II emulator for Windows

MAME

A maintained fork of BrutalDeluxe's Cadius ProDOS disk imaging utility (used for making Apple II disk images).

Micro Music Macro Language - An MML Implementation for 1-Bit Music on AVR Microcontrollers

Explore the Apple 2 HGR amd DHGR esoteric screen layout with bit twiddling and byte manipulation.

A workbench for developing 6502 code

CiderPress Apple II archive utility for Windows

Pinball Construction Set Source Code for Apple II

Apple II ProDOS-8 system files that run on startup and install clock drivers, ramdisks, and other utilities

A Utility for Converting Modern Graphics to Apple II Graphics

Faster variation of the ZX0 compressor adapted to the 6502