There are 7 repositories under appleii topic.
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.
AppleCommander is a tool that manipulates Apple ][ disk images. Files may be imported, exported, viewed, or printed with various file filters.
Firmware project for the Apple II A2DVI digital video card
A .Net-based Cross-Assembler for Several 8-Bit Microprocessors
Apple II FPGA Co-Processor
Notepad++ Syntax Highlighting for 6502 Assembly (and NESASM)
DSKalyzer Apple II disk image management tool
Reverse engineered Apple II products
Apple IIe FPGA core for the Tang Nano 20K, Primer 25k, Mega 60k, Mega 138k Pro, Console 60k / 138k
Tools for building and running Z80 code under ProDOS on an Apple II with a Z80 Softcard (or clone)
An Applesoft BASIC tool library and command-line tool.
Applesoft BASIC port of the original Oregon Trail game from 1978
A Java library and command-line tool for AppleSingle support.
reinette II plus, a french Apple II plus emulator, using SDL2 and powered by puce6502, a MOS 6502 cpu emulator
CPM-65 operating system for Apple II
Adapter AY-3-8913 to AY-3-8910 for Mockingboard - Apple II
The code that runs the Apple II Twitter bot at https://twitter.com/AppleIIBot