584 Open source projects that are alternatives of or similar to champ

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

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

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

MOS 6502 emulator written in Rust

A cycle-accurate, cross-platform NES emulator written in C++

Integrated Development Environment for the 8-bit Nintendo Entertainment System

A very fast BBC Micro emulator.

The original IBM PC and other machine emulations in JavaScript

A latency-hating emulator of 8- and 16-bit platforms: the Acorn Electron, Amstrad CPC, Apple II/II+/IIe and early Macintosh, Atari 2600 and ST, ColecoVision, Commodore Vic-20, MSX 1, Oric 1/Atmos, Sega Master System and Sinclair ZX80/81.

A Javascript NES Emulator

6502 CPU emulator, assembler and disassembler written in Go

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

Yet another 6502 emulator that one day dreams of being an Atari 2600.

A portable NES simulator for embedded processors

NES emulator in javascript.

🤓🕹💾 This hobby project contains software implementations of old microprocessors and complete computer systems. I'm very interested in retrocomputing and this is how I learn about the inner workings of these old, classic and amazing computers and game consoles.

PCjs Machines 1.0 (archived)

An Understandable 6502 Emulator

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

Javascript BBC micro emulator

Another NES Emulator - written for fun & learning - first implementation of wideNES

Emulate 6502-based microcomputer systems in Python

A JavaScript NES emulator.

NES / Famicom emulator for iOS, Mac, Raspberry Pi, Windows, Linux and RetroArch.

Nintendo Entertaiment System emulator and NSF/NSFe Music Player (Linux, FreeBSD, OpenBSD and Windows)

Roland Gustafsson's RWTS18 source code.

6502 based architecture for OpenComputers

The IBM PS/1 emulator.

The original creator stopped maintaining it and the original site went down. I have uploaded my copy so people can continue using it.

A tiny libretro frontend to release homebrews as executables

An open-source and standalone Gameboy Printer emulator 100% compatible with all officially released games (110 in total) that support the accessory. Just print and save the images as BMP

Non-discriminatory profiling of Ruby code leveraging the ruby-prof gem

This python script adds some usefull command to stripped vmlinux image

An emulator of the soulworker protocol written in Go

audria - A Utility for Detailed Ressource Inspection of Applications

SNES emulator written in Rust

Fully documented and annotated source code for the disc version of Elite on the BBC Micro

Amadeus console emulator (by Command Cryptic)

experimental low-level n64 emulator

A Subroutine Threaded Code (STC) ANS-like Forth for the 65c02

No description or website provided.

A toy GameBoy Color emulator written in golang.

6809 and OS-9 emulator in Java

Local emulator for Google Cloud Storage

A simple x86 emulator, debugger, and editor in JavaScript.

DSKalyzer Apple II disk image management tool

Adds syntax highlighting to 65816/65C816/65802/6502/65C02 files in Atom, with extra support for various compilers.

📺 Chip-8 emulator for web.

A PCB being made while watching Ben Eaters "Build a 6502 computer" video series. Includes the computer itself, a standalone slow clock and an Arduino Mega shield for the bus monitor sketch..

GVProf: A Value Profiler for GPU-based Clusters

RetroAchievements.org standalone emulators

Mamesaver is a mame emulated screensaver - get all the good ol' games playing their demo modes while you procrastinate and enjoy!

Tool for flamegraphs visualization

Game Boy, Game Boy Color, and Game Boy Advanced Emulator

An assembler for the 6502 microprocessor written in Ruby

Browser based Nintendo Switch GBA Emulator

React UI for https://github.com/fredericcambon/nes

Playing GameBoy Emulation in GoLang (ported from https://github.com/racerxdl/GameBoyEmulator)

An accurate, portable emulator of legacy computer systems.

A tool for capturing the execution of an entire process tree