A latency-hating emulator of: the Acorn Electron, BBC Micro and Archimedes, Amstrad CPC, Apple II/II+/IIe and early Macintosh, Atari 2600 and ST, ColecoVision, Enterprise 64/128, Commodore Vic-20 and Amiga, MSX 1/2, Oric 1/Atmos, early PC compatibles, Sega Master System, Sinclair ZX80/81 and ZX Spectrum, Tandy CoCo and Thomson MO5/6.

Ted Fried's MicroCore Labs Projects - FPGA CPU cores and emulators for the 8088, 8086, 8051, 6502, 68000, Z80, Risc-V, and also Typewriter and EPROM Emulator projects. MCL51, MCL64, MCL65, MCL65+, MCL68, MCL86, MCL86+, MCL86jr, MCLR5, MCLZ8, MCL6809, XTMax, MCL8080+

Free and Open Source AFP fileserver for Macs and cross-platform AFP clients

Disassembly of the Apple II Desktop - ProDOS GUI

Apple ][ emulator for MS-DOS, written in 8088 assembly

Proto Language AsSeMbler for All (formerly Apple)

Multi Tasking OS for Apple IIe //c IIgs link to previous version : https://github.com/A2osX/A2osX/tree/0.95/.Floppies

CiderPress Apple II archive utility for Windows

AppleCommander is a tool that manipulates Apple ][ disk images. Files may be imported, exported, viewed, or printed with various file filters.

A software tool for working with Apple II and vintage Mac disk images and file archives.

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

PyTorch implementation of CycleGAN

Awesome Lists of retrocomputing resources (6502, Apple 2, Atari, ...)

Apple II emulator for Linux

Apple ][ Emulator for Mac

Apple II FPGA Co-Processor

A curated list of original and reverse-engineered vintage 6502 game sourcecode.

An Apple IIgs Emulator and Debugger written in C/C++ for Windows, Linux and macOS

Portable emulator of an Apple ][+ or //e. Written in Go with multiple frontends.

Port of AppleWin Emulator with Native macOS UI