1528 Open source projects that are alternatives of or similar to Fonline

This project has been sunset as of 1st Jan 2018 and is no longer supported or maintained

2D Game Engine with Lua Scripting made on top of SFML !

A basic cross-platform 3D game engine

Cross-platform modern game engine.

An engine for Vulkan in Rust, tries to implement modern graphic features. (suspended for now)

KlayGE is a cross-platform open source game engine with plugin-based architecture.

Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.

A cross-platform 2D game engine accompanied by a strong toolset for visual novels.

Simple, Unity-like Game Engine.

Solar2D Game Engine main repository (ex Corona SDK)

Cross-platform 2D Game Engine in pure Swift

⚔️ An online JavaScript 2D Medieval RPG.

A modern re-implementation of the classic DOS game Duke Nukem II

Entity-Component-System (ECS) with a focus on ease-of-use, runtime extensibility and compile-time type safety and clarity.

Cross-platform (desktop, mobile, console) 3D and 2D game engine supporting many asset formats (glTF, X3D, Spine...) and using modern Object Pascal

Build Mobile, Desktop and WebAssembly apps with C# and XAML. Today. Open source and professionally supported.

Mono/.NET bindings for Qt

游戏服务器框架，网络层分别用SocketAPI、Boost Asio、Libuv三种方式实现， 框架内使用共享内存，无锁队列，对象池，内存池来提高服务器性能。还包含一个不断完善的Unity 3D客户端，客户端含大量完整资源，坐骑，宠物，伙伴，装备, 这些均己实现上阵和穿戴, 并可进入副本战斗，多人玩法也己实现, 持续开发中。

An opinionated 2D game engine for Rust

A cross-platform, open-source, pure C game engine for mobile game.

A high speed C++17 Vulkan game engine

lightspeed lightweight elegant game engine in pure c

Simple game engine, written in C++

Game engine with an emphasis on architectual quality and performance

CRYENGINE is a powerful real-time game development platform created by Crytek.

Improved version of the X-Ray Engine, the game engine used in the world-famous S.T.A.L.K.E.R. game series by GSC Game World. Join OpenXRay! ;)

Game Boy / Color engine with lots of features

A cross-platform 2D game engine

基于Qt Quick(Qml) 跨平台技术打造的2D框架

Monogatari is a simple web visual novel engine, created to bring Visual Novels to the web.

Gideros Release version

Code to integrate with the Urho3D engine

🎮 🎲 A wonderful list of Game Development resources.

Cross-platform 2D and 3D game engine

Cross-platform C++ input library supporting gamepads, keyboard, mouse, touch

Engine Made with preRendered Background

KorGE Game Engine. Multiplatform Kotlin Game Engine

RPG Maker 2000/2003 and EasyRPG games interpreter

Akeeba Portable Tools (cross-platform) - Desktop utilities for use with Akeeba Backup and Akeeba Solo

Intrinsic is a Vulkan based cross-platform game and rendering engine. The project is currently in an early stage of development.

Lamiae - A Most Prestigious RPG Engine/Simulator derived from Cube 2 (Sauerbraten) and friends

[abandoned] C99 cross-platform 3D game engine with absolute minimum of external dependencies

Annwvyn C++ Open Source designed-for-VR game engine and application developement framework

One framework for creating powerful cross-platform games.

lightweight, expressive, extensible 2D/3D game engine

A closs-platform generic gameengine built on C#/.NET Standard 2.1

The open source remake of Airline Tycoon Deluxe

The OpenDiablo2 toolset

C++11 and SDL2 lightweight 2d game framework

⛄️ A general-purpose data-driven game engine with tools. Attribution based licensing.

Free (as in freedom) open source clone of the Age of Empires II engine 🚀

Modular game engine built with MonoGame, with GMS2-like workflow and advanced level editor

Python MUD/MUX/MUSH/MU* development system

A portable modern OpenGL Game-Engine with focus on PBR

Free, cross-platform 2D game engine powered by Haxe and OpenFL

4X Space Strategy game Star Ruler 2's open source distribution.

An open source re-implementation of Diablo 2

Plugin-based client-server voxel game engine written in D language

3D FPS game engine with full dynamic lighting and shadows

Cross-platform coverage gathering and processing tool set for .net/.net core and Mono