There are 5 repositories under appleii topic.
A latency-hating emulator of: the Acorn Electron 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.
A .Net-based Cross-Assembler for Several 8-Bit Microprocessors
DSKalyzer Apple II disk image management tool
Notepad++ Syntax Highlighting for 6502 Assembly (and NESASM)
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
A Java library for managing Apple II ShrinkIt archives.
Reverse engineered Apple II products
The code that runs the Apple II Twitter bot at https://twitter.com/AppleIIBot
CPM-65 operating system for Apple II
Various experiments in artificial intelligence, machine learning, neural networks in the Forth language for the Apple II
Shellsort and quicksort routines in Forth language