Open source. Open possibilities.

AzerothCore is an open-source, modular C++ game server framework for hosting private World of Warcraft servers, recreating the Wrath of the Lich King 3.3.5a gameplay experience.

Xenia is an experimental Xbox 360 emulator project focused on research and development. It aims to replicate the Xbox 360 hardware and software environment for educational and technical purposes. The project maintains a build system with CI/CD support and follows coding standards. Contributions are sought from developers familiar with C++ and emulation techniques.

Cemu is an open-source Wii U emulator for Windows, Linux, and macOS, capable of running most Wii U games and homebrew. Actively developed in C/C++ with a compatibility wiki and community support.

RPCS3 is a free and open-source PlayStation 3 emulator and debugger written in C++, supporting Windows, Linux, macOS, and FreeBSD. It enables PS3 game playback on modern hardware and provides debugging capabilities for emulation development.

Parchment is a free, MIT-licensed Interactive Fiction player for the web, supporting formats like Z-Code, Glulx, TADS, Hugo, and Adrift.

Ruffle is an Adobe Flash Player emulator written in Rust, targeting desktop and web via WebAssembly. It supports ActionScript 1, 2 and 3, and offers desktop builds, browser extensions, a web demo, plus scanner and exporter utilities.