Top 11 apple2 open source projects

Apple II audit routines: for testing your Apple II or emulator

A 65C02 profiler

DSKalyzer Apple II disk image management tool

Roland Gustafsson's RWTS18 source code.

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

Portable emulator of an Apple ][+ or //e. Written in Go. Runs Total Replay.

Allows Acorn BBC Microcomputer language ROMs to run on Apple //e enhanced, //c and IIGS.

The Eight Bit Algorithmic Language for Apple II, Commodore 64 and VIC20

Emulated Woz Machine - Apple ][+ Emulator

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

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