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A little curiosity. A world of open source.
THE FIRST COLLECTIONSunshine is a self-hosted game streaming host for Moonlight clients, offering low-latency remote play with hardware or software encoding, a web UI for configuration and pairing, and support for Windows, Linux, macOS and FreeBSD.
A real-time GPU-driven renderer built with C++20 and Vulkan 1.4, featuring mesh shaders, bindless rendering, and advanced ray-traced lighting effects.
OpenRCT2 is an open-source re-implementation of RollerCoaster Tycoon 2, the amusement-park construction and management game. It adds modern platform support, an improved interface, better guest and staff AI, more editing tools, raised limits, cooperative multiplayer and some mechanics restored from the original RollerCoaster Tycoon.
A C++20 framework for shipping raylib games to 17 platforms from one codebase, with CI that builds and verifies rendering. Users edit only src/, resources/, and a TOML config.
Cross-platform open-source MUD client with Lua scripting, triggers, mapping, GMCP, Discord integration, and theming.
Aseprite is an animated sprite editor and pixel art tool for Windows, macOS and Linux, featuring layers, frames, onion skinning, sprite sheet export, Lua scripting and a CLI.
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.
OptiChess is a research-oriented chess engine and analysis GUI written in C++20, featuring the GrogrosZero hybrid search algorithm and a zero-allocation memory model.
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.
NEXUS Framework is a collection of game-ready plugins for Unreal Engine providing common patterns and opinionated solutions for game development.
UE5 asset workbench plugin enables scripts and AI agents to read, edit, import, migrate, and audit Unreal Engine 5 uasset files by exporting structured JSON and applying changes via commandlets, supporting Blueprints, animations, widgets, materials, Niagara, levels, etc.
A lightweight C++ game framework using SDL and miniaudio, designed for rapid prototyping with scene management, asset loading, and tick systems.
PGX is an open-source, modular C++ gameplay framework for Unreal Engine 5, designed to unify configuration, extension, and diagnostics.
openage is a volunteer project building a free engine clone of the Genie Engine used by Age of Empires and AoE II. It uses original assets (not shipped), and gameplay is currently non-functional while the simulation is reimplemented. C++20, Python, Qt6, OpenGL, nyan modding format.
A C++ 3D geometry and level workstation for the original Silent Hill (1999) and its unofficial PC decompilation port, supporting bidirectional conversion of proprietary binary formats.
Nakama is an open-source game backend server from Heroic Labs. It provides users, storage, social graph, chat, realtime and turn-based multiplayer, leaderboards, tournaments, parties, purchase validation, notifications and runtime code.
LibreSprite is a free and open-source animated sprite editor and pixel art tool, forked from the last GPLv2 commit of Aseprite.
Official Godot Engine plugin for playing professional 2D animations created with OPTPiX SpriteStudio.
Night Toll is a first-person inspection game inspired by Papers, Please, developed in Unreal Engine 5.7 using C++ for all core gameplay systems.
