Open Source Game Development Frameworks

Browse free open source Game Development Frameworks and projects below. Use the toggles on the left to filter open source Game Development Frameworks by OS, license, language, programming language, and project status.

  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 1
    raylib

    raylib

    A simple and easy-to-use library to enjoy videogames programming

    raylib is highly inspired by Borland BGI graphics lib and by XNA framework. Do you want to see all functions available in raylib? Check raylib cheatsheet. raylib is a programming library to enjoy videogames programming; no fancy interface, no visual helpers, no auto-debugging, just coding in the most pure spartan-programmers way. raylib has received several recognitions in the last years and many people have written about the library. Here there are the main awards received from Google and Epic Games. raylib supports multiple target platforms, it has been tested in the following platforms but, technically, any platform that supports C language and OpenGL graphics is valid for raylib or can be very easily ported to. raylib can be combined with several extra libraries for additional functionality, some of those libraries are already used internally while others are provided for user integration, most of these libraries are single-file header-only with no external dependencies.
    Downloads: 211 This Week
    Last Update:
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  • 2
    libGDX

    libGDX

    Desktop/Android/HTML5/iOS Java game development framework

    libGDX is a cross-platform Java game development framework based on OpenGL (ES) that works on Windows, Linux, macOS, Android, your browser and iOS. libGDX provides a well-tried and robust environment for rapid prototyping and fast iterations. libGDX does not force a specific design or coding style on you; it rather gives you the freedom to create a game the way you prefer. Publish your games on Windows, macOS, Linux (including the RPi!), Android, iOS, and HTML5, all with the same code base. libGDX comes with batteries included. Write 2D or 3D games and let libGDX worry about low-level details. Heavy emphasis is put on avoiding garbage collection for ART/JavaScript by careful API design and the use of custom collections. libGDX is a well proven and reliable framework with a sound base and documentation. Furthermore, there are plenty of games built on top of libGDX, many of which are open source.
    Downloads: 74 This Week
    Last Update:
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  • 3
    Arianne RPG

    Arianne RPG

    Arianne is an engine to develop multiplayer online games like Stendhal

    Arianne is a multiplayer online engine to develop turn based and real time games, providing a simple way of creating the game server rules and clients like our MORPG Stendhal. Our engine Marauroa uses Java and SQL for hosting hundreds of players on a solo host. Stendhal is a fun friendly and free multiplayer online adventure game with a huge and rich world. With hundreds of NPCs and different quests, features like the Travel log and achievement system keep track of progress. Thousands of creatures are ready to fight, above and below ground, and as players level up they can compare themselves on a detailed stats website. The engine Marauroa provides a simple way of creating games on a portable and robust server architecture. Marauroa manages the client server communication and provides an object orientated view of the world for game developers. It handles database access in a transparent way to store player accounts, character progress and the state of the world
    Downloads: 162 This Week
    Last Update:
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  • 4
    C# SDL
    SDL.NET is a set of object-oriented .NET bindings for the SDL gaming library and provides high-level access to audio, keyboard, mouse, joystick, TTF fonts, various image formats, sound mixing, MPEG-1, and 2D video framebuffer.
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    Downloads: 55 This Week
    Last Update:
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  • Say goodbye to broken revenue funnels and poor customer experiences Icon
    Say goodbye to broken revenue funnels and poor customer experiences

    Connect and coordinate your data, signals, tools, and people at every step of the customer journey.

    LeanData is a Demand Management solution that supports all go-to-market strategies such as account-based sales development, geo-based territories, and more. LeanData features a visual, intuitive workflow native to Salesforce that enables users to view their entire lead flow in one interface. LeanData allows users to access the drag-and-drop feature to route their leads. LeanData also features an algorithms match that uses multiple fields in Salesforce.
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  • 5
    Game Editor
    Game Editor is the game design software that gives you the power to create the games of your dreams, and gives you the chance to get the source code of the game creator and develop 2D games for personal computers as well as mobile devices like iPhone
    Downloads: 36 This Week
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  • 6
    CTFd

    CTFd

    CTFs as you need them

    CTFd is a Capture The Flag framework focusing on ease of use and customizability. It comes with everything you need to run a CTF and it's easy to customize with plugins and themes. Create your own challenges, categories, hints, and flags from the Admin Interface. Dynamic Scoring Challenges. Unlockable challenge support. Challenge plugin architecture to create your own custom challenges. Static & Regex-based flags. Custom flag plugins. Unlockable hints. File uploads to the server or an Amazon S3-compatible backend. Limit challenge attempts & hide challenges. Automatic bruteforce protection. Individual and Team-based competitions. Have users play on their own or form teams to play together. Scoreboard with automatic tie resolution. Hide Scores from the public. Freeze Scores at a specific time. Scoregraphs comparing the top 10 teams and team progress graphs. Markdown content management system. SMTP + Mailgun email support. Email confirmation support. Forgot password support.
    Downloads: 5 This Week
    Last Update:
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  • 7
    RCT3 Mega Pack

    RCT3 Mega Pack

    This pack add's custom object and rides into your "RCT3 Platinum" game

    The ULTIMATE RCT3!!!! "CTR/CS/Editor/Custom Utility/Custom Mod/Custom Stall/Creator/SID Editor Data/CTR & CS Creator Plugin/RCT3 Model/RCT3 Model Plugin/" Mass Roller Coaster Tycoon 3 Repository!!!! (100% Safe/Legal!!!)
    Downloads: 22 This Week
    Last Update:
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  • 8
    TX Library

    TX Library

    TX Library is a tiny graphics library for Win32 written in C++.

    TX Library is a tiny graphics library for Win32 written in C++. It is a small sandbox for the very beginners to help them to learn basic programming principles. The documentation is currently in Russian. More info here: http://storage.ded32.net.ru/Lib/TX/TXUpdate/Doc/HTML.ru, http://ded32.net.ru/news/2011-04-03-58, http://ded32.net.ru.
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    Downloads: 18 This Week
    Last Update:
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  • 9
    Oblivion Works
    Wrye Bash has moved to Github! Downloads: https://github.com/wrye-bash/wrye-bash/releases Code: https://github.com/wrye-bash/wrye-bash
    Downloads: 11 This Week
    Last Update:
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  • Trumba is an All-in-one Calendar Management and Event Registration platform Icon
    Trumba is an All-in-one Calendar Management and Event Registration platform

    Great for live, virtual and hybrid events

    Publish, promote and track your events more affordably and effectively—all in one place.
    Learn More
  • 10
    BWAPI

    BWAPI

    An API for interacting with Starcraft: Brood War (1.16.1)

    Brood War Application Programming Interface or BWAPI is a free and open source C++ framework that is used to create Artificial Intelligence (AI) agents that play the popular Real Time Strategy (RTS) game Starcraft: Brood War. With BWAPI, players of varying levels can create AI agents to play Brood War, but with certain limits. BWAPI will only reveal visible parts of the game state to AI modules to enable programmers to write competitive non-cheating AIs. BWAPI also denies user input so users cannot take control of game units while the AI is in play. These default settings can be changed for flexibility however, unless enforced by a Tournament Module (game referee for AI tournaments).
    Downloads: 2 This Week
    Last Update:
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  • 11

    coldev

    C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT

    + C/C++ and PHP projects, Python and Others + 3D ENGINES + Videogames Projects based in Bennugd http://www.bennugd.org Web Page https://coldev.sourceforge.io/
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    Downloads: 27 This Week
    Last Update:
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  • 12

    Perl OpenGL 2

    Perl bindings to the Modern OpenGL API

    The Perl OpenGL 2 module provides bindings to the modern OpenGL APIs for use from the perl language.
    Downloads: 11 This Week
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  • 13
    Asphyre

    Asphyre

    Asphyre is a cross-platform framework for Delphi and FreePascal.

    Asphyre, also known as Platform eXtended Library, is a cross-platform framework for developing video games and scientific applications in Delphi, and FreePascal/Lazarus. The framework provides facilities for real-time rendering of graphics (using DirectX, OpenGL or Software Renderer), text output, mathematics (including vectors and matrices) and networking communication, among other features. It also supports singleboard devices such as Raspberry PI, Intel Galileo, BeagleBone Black and others with features like GPIO, SPI, I2C and so on, along with external displays, sensors and other peripheral devices.
    Downloads: 7 This Week
    Last Update:
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  • 14
    KonsolScript and Game Engine

    KonsolScript and Game Engine

    Free and Open Game Programming Language for Windows and GNU/Linux

    KonsolScript is a free and open source, scripting language primarily intended for 2D games development. KonsolScript Development Team believes that the unavailability of games on GNU/Linux desktops is one of the major concerns why people keep using unauthorized copies of proprietary OS over GNU/Linux and that is something the Development Team is ought to address – we are doing our part to help promote GNU/Linux as a viable gaming platform for desktops both for Game Publishers and Gamers. The whole Game Development Kit is suitable for teaching 2D game programming. The end goal of this project is to have a common gaming platform for Windows, GNU/Linux, Mac OS, including mobile platforms like Android where any newbie can learn how to make his game/animation etc. A lot of work has been made and a lot more is to be done. It might need to hire programmers to make an engine for Android, and Mac OS, then some in-house testers for stability among these platform
    Downloads: 3 This Week
    Last Update:
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  • 15
    XAMOS

    XAMOS

    Cross-platform reimplementation of AMOS BASIC (runtime)

    XAMOS is a cross-platform reimplementation of AMOS BASIC based on jAMOS, fully re-written in C++ with SDL libraries. Currently runtime only, however is widely compatible with jAMOS projects.
    Downloads: 9 This Week
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  • 16
    Orx: Portable Game Engine

    Orx: Portable Game Engine

    Orx: Portable Game Engine

    Orx is a portable, lightweight, plugin-based, data-driven and extremely easy to use 2D-oriented game engine. As orx is data driven, it allows users to create games with a small number of lines of code and reduces drastically the development time.
    Downloads: 1 This Week
    Last Update:
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  • 17
    OpenSkyNet - Moving towards a comprehensive artificial intelligence solution for game developers under the LGPL. The goals are to implement action selection solvers, robust steering behaviors (including pathfinding algorithms), and machine learning.
    Downloads: 3 This Week
    Last Update:
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  • 18

    wke (3DWebUI)

    3D Web UI, Embed Web and Flash in 3D Games, based on WebKit

    1. 3D Web UI. Embed Web and Flash in 3D Games, based on WebKit 2. DirectUI. HTML5, CSS3, Javascript and flash Embedded in native GDI application
    Downloads: 1 This Week
    Last Update:
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  • 19
    Further development of the PhysX plugin for Gamestudio A8, originally created by Chris Kahler and made open source by OpGroup.
    Downloads: 2 This Week
    Last Update:
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  • 20
    Pyzzle - A Myst Game Engine
    Pyzzle is a cross-platform game engine for creating large-scale, 2D Myst-like adventure games. The engine supports 2D panoramas, features an intuitive design mode, and allows users to download content from the internet. Pyzzle is written using Pygame.
    Downloads: 2 This Week
    Last Update:
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  • 21
    CPlusPlusTranslator

    CPlusPlusTranslator

    A C++ library for programmers transitioning from "Game Maker Language"

    CPlusPlusTranslator is a C++ game development library for programers currently using or familiar with "GameMaker" formerly "Game Maker". This library allows for an easy transition from GML ("Game Maker Language") to C++ game development. The CPlusPlusTranslator library provides syntax and functions similar to GML within C++.
    Downloads: 1 This Week
    Last Update:
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  • 22
    Easy2D is an object oriented game library that makes possible writing 2D tile-based games with speed and ease. It encapsulates common tasks found in these games, such as: tile maps, animated sprites, bitmap fonts, etc., and is written in C++ using SDL.
    Downloads: 1 This Week
    Last Update:
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  • 23
    SITPLUS
    SITPLUS is a free software framework whose main goal is to provide recreational activities for people with multiple disabilities. It offers new forms of interaction based on computer vision, voice and other peripherals.
    Downloads: 1 This Week
    Last Update:
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  • 24
    A client-server based framework for building 3d applications. Intended to be used for Virtual Reality.
    Downloads: 1 This Week
    Last Update:
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  • 25

    Blackspirit Graphics

    A cross-platform Java 2D graphics library using OpenGL.

    A hardware accelerated Java 2D graphics library designed for cross-platform games, providing a powerful but simple interface. It focuses on real-time applications but can also be integrated into graphical user interfaces. The implementation uses JOGL (OpenGL).
    Downloads: 1 This Week
    Last Update:
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