# Coffee Gb (open-source gaming app)

> Coffee Gb is a free, open-source gaming app for Windows, macOS and Linux. Accurate Gameboy Color emulator. It has 1,170 GitHub stars and is released under the MIT license. Its source code is on GitHub at trekawek/coffee-gb.

A highly compatible Game Boy and Game Boy Color emulator for the desktop. Coffee GB emulates the original Game Boy (GB/DMG) and Game Boy Color (GBC/CGB). It is built for high compatibility across the historic game library, unusual cartridges and accessories, and modern homebrew, demos, and diagnostic ROMs. The reusable emulation core is written in Java; the desktop application and its orchestration layer use Kotlin and Java.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/trekawek/coffee-gb |
| Platforms | Linux, macOS, Windows |
| Interface | desktop GUI |
| GitHub stars | 1,170 |
| License | MIT (open source) |
| Replaces | n/a |
| Language | Java |
| Website | none listed |
| Official | no |
| Category | Gaming & emulation |
| Latest release | coffee-gb-2.1.7 (Oct 1, 2026) |
| Last commit | Oct 1, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/trekawek/coffee-gb/releases) or website, or build it from source by following the README.

## Similar desktop apps

- [Godot Engine](https://appsgit.com/desktop-apps/godot-engine): Godot Engine – Multi-platform 2D and 3D game engine. (118,245 stars, MIT, official)
- [shadPS4](https://appsgit.com/desktop-apps/shadps4): PlayStation 4 emulator for Windows, Linux, macOS and FreeBSD written in C++. (33,222 stars, GPL-2.0)
- [Mindustry](https://appsgit.com/desktop-apps/mindustry): The automation tower defense RTS. (29,269 stars, GPL-3.0)
- [SteamTools](https://appsgit.com/desktop-apps/steamtools): 「Watt Toolkit」是一个开源跨平台的多功能 Steam 工具箱。. (27,080 stars, GPL-3.0)
- [Cmder](https://appsgit.com/desktop-apps/cmder): Lovely console emulator package for Windows. (27,011 stars, MIT, official)
- [OpenSpeedy](https://appsgit.com/desktop-apps/openspeedy): An open-source game speed modifier. (19,138 stars, GPL-3.0)

---

Canonical page: https://appsgit.com/desktop-apps/coffee-gb
Source: appsgit (https://appsgit.com), the app store for github. Data from the GitHub API, refreshed nightly.
Machine access: JSON API https://appsgit.com/api/v1/apps (OpenAPI: https://appsgit.com/openapi.json), MCP server https://mcp.appsgit.com/mcp, full index https://appsgit.com/llms-full.txt.