Alternatives to SIO2 Engine for all platforms with any license

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  • Unity icon

    Unity

    Unity is a multi-platform game development tool, designed from the start to ease creation. A fully integrated professional application, Unity offers the free Personal Edition with all features, and a Pro subscription at 75$ a month...

    Free Personal Mac Windows Linux

  • GDevelop icon

    GDevelop

    GDevelop is an open source game creation software, allowing to make games for the web (HTML5) or for Windows and Linux. No programming or coding skill is required! It is easy to use and powerful enough for advanced users. Game...

    Open Source Mac Windows Linux Android iPad

  • Unreal Engine icon

    Unreal Engine

    Unreal Engine is a professional suite of tools and technologies used for building high-quality games across a range of platforms. Unreal Engine’s rendering architecture enables developers to achieve stunning visuals and also scale...

    Free Personal Mac Windows Linux

  • Scratch icon

    Scratch

    Scratch is a programming language that makes it easy to create your own interactive stories, animations, games, music, and art -- and share your creations on the web. As young people create and share Scratch projects, they learn...

    Open Source Mac Windows Linux

  • Polycode icon

    Polycode

    Polycode is a C++ and Lua framework for building interactive applications. It is free, open source and cross-platform.

    Open Source Mac Windows Linux

    No features added Add a feature
  • Stencyl icon

    Stencyl

    Stencyl is the creator of StencylWorks, a tool that has enabled creators of all all skills levels create iOS and Flash games in no time. In 2012, Stencyl will expand into Android and HTML5 game publishing. Games can be published to...

    Freemium Mac Windows Linux

    No features added Add a feature
  • Superpowers icon

    Superpowers

    Superpowers is an HTML5 development environment for making 2D and 3D games. It can be extended with plugins and lets you collaborate in real-time.

    Open Source Mac Windows Linux

  • Adobe Shockwave Player icon

    Adobe Shockwave Player

    Over 450 million Internet-enabled desktops have installed Adobe Shockwave Player. These people now have access to some of the best the Web has to offer - including dazzling 3D games and entertainment, interactive product...

    Free Mac Windows

    No features added Add a feature
  • CryENGINE icon

    CryENGINE

    The most powerful game development platform is now available to everyone. Full engine source code. All features. No royalties. No obligations. No license fee.

    Free Windows

    No features added Add a feature
  • Torque 3D icon

    Torque 3D

    Torque 3D is a easy-to-use game creation platform. Architected from the ground up for maximum flexibility and performance across a wide range of hardware and built upon the Frontline award-winning Torque Game Engine Advanced, Torque...

    Open Source Mac Windows Linux

    No features added Add a feature
  • Construct Classic icon

    Construct Classic

    Construct is a free, DirectX 9 game creator for Windows, designed for 2D games. It uses an event based system for defining how the game behaves, in a visual, human-readable way - you dont need to program or script anything at all. Its...

    Open Source Windows

    No features added Add a feature
    • Discontinued Last version was released in February 2012
  • Game Editor icon

    Game Editor

    Game Editor is the open source game design software that gives you the power to create the games of your dreams, and, unlike other game creation tools, gives you the chance to get and change the source code of the game creator and...

    Open Source Mac Windows Linux

    No features added Add a feature
    • Discontinued No updates since Jan 2013 : https://sourceforge.net/projects/game-editor/
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  • Wick Editor icon

    Wick Editor

    The Wick Editor is a free online tool that facilitates the production of web-based, multimedia projects. Wick aims to make web technologies more accessible, letting individuals create everything from basic animations to complex video...

    Open Source Web / Cloud Self-Hosted

  • Urho3D icon

    Urho3D

    Urho3D is a lightweight, cross-platform rendering and game engine implemented in C++ and released under the MIT license. Greatly inspired by OGRE and Horde3D.

    Open Source Mac Windows Linux Android iPhone Raspberry Pi

  • Playir icon

    Playir

    Create your own mobile apps & 3D multiplayer games with our super-easy design tools for iOS, Android, Windows Phone and HTML5! Less programming, more playing. Drag and drop - Makes your own menus and levels by simply dragging...

    Freemium Web / Cloud Android iPhone Android Tablet Windows Phone iPad

  • Adventure Game Studio icon

    Adventure Game Studio

    Adventure Game Studio provides the tools to make your own adventure, for free! Bring your story and artwork and slot it in, and let AGS do the rest. AGS provides everything you need from within one easy-to-use application. Create...

    Free Windows

    No features added Add a feature
  • ENIGMA - LateralGM icon

    ENIGMA - LateralGM

    ENIGMA, the Extensible Non-Interpreted Game Maker Augmentation, is an open source cross-platform game development environment derived from that of the popular software GameMaker. Its intention is to provide you with a quality game...

    Open Source Mac Windows Linux

    No features added Add a feature
  • Gamesalad icon

    Gamesalad

    GameSalad Creator is an authoring tool developed by GameSalad, Inc. (formerly Gendai Games) aimed primarily at non-programmers for composing games in a drag-and-drop fashion, utilizing visual editors and a behavior-based logic system....

    Commercial Mac Windows

    No features added Add a feature
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  • Platinum Arts Sandbox icon

    Platinum Arts Sandbox

    Platinum Arts Sandbox Free 3D Game Maker is an open source free game maker, free RPG Maker, free sidescroller maker, free Machinima creator, and game design tool that makes it easy for kids and adults to create video games, maps and...

    Open Source Windows Linux

    No features added Add a feature
  • Castle Game Engine icon

    Castle Game Engine

    An open-source 3D/2D game engine for ObjectPascal. We support of lot of 3D and 2D formats (VRML / X3D, Collada, Wavefront OBJ, MD3, Spine...), we're portable to a lot of platforms (Linux, Windows, Mac OS X, Android, iOS...), ...

    Open Source Mac Windows Linux BSD

    No features added Add a feature
  • NeoAxis 3D Engine icon

    NeoAxis 3D Engine

    NeoAxis 3D Engine is positioned as a universal development framework for 3D projects. The framework can be applied when developing various types of 3D projects, such as the creation of video games, development of simulators, virtual...

    Freemium Mac Windows

    No features added Add a feature
  • Wintermute Engine Development Kit icon

    Wintermute Engine Development Kit

    Wintermute Engine Development Kit is a set of tools for creating and running graphical “point&click” adventure games, both traditional 2D ones and modern 2.5D games (3D characters on 2D backgrounds). The kit includes the...

    Open Source Mac Windows Linux

    No features added Add a feature
    • Discontinued The program is no longer updated. Last version, 1.10.1 beta, released in July 2012, can be still downloaded from the official website.
  • PlayN icon

    PlayN

    PlayN is a cross-platform game library that allows you to create a single Java codebase that runs in HTML5, Java, Android and Flash.

    Open Source Windows

    No features added Add a feature
  • Blitz3D icon

    Blitz3D

    Create 2D and 3D Games for Windows. If you've been yearning to create games but have been frustrated by the complexity of programming languages such as C++ or Java, you've come to the right place! Blitz3D provides a...

    Open Source Windows

    No features added Add a feature
  • Minko icon

    Minko

    3D. Everywhere. Minko is a technology to develop and design rich, interactive and universal 3D applications targeting computers, web browsers and mobile platforms. It provides a powerful editor on top of a robust, extensible and...

    Open Source Mac Windows Linux Web / Cloud

    No features added Add a feature
  • Cocos Creator icon

    Cocos Creator

    Cocos Creator is a complete package of game development tools and workflow, including a game engine (based on Cocos2d-x), resource management, scene editing, game preview, debug and publish one project to multiple platforms.

    Free Mac Windows

    No features added Add a feature
  • Amazon Lumberyard icon

    Amazon Lumberyard

    Amazon Lumberyard is a free AAA game engine deeply integrated with AWS and Twitch – with full source.

    Free Windows

    No features added Add a feature
  • Reality Factory 2 icon

    Reality Factory 2

    Reality Factory 2 is a next-generation game authoring suite. It combines a flexible, fully scripted game development environment powered by Python with the Ogre3D engine, and supports all major desktop operating systems. It...

    Open Source Mac Windows Linux

    No features added Add a feature
    • Discontinued Doesn't appear to have had any updates since 2010.
  • ENIGMA icon

    ENIGMA

    ENIGMA Development Environment -- A very high level language, compiled into a less high level language.

    Open Source Mac Windows Linux

  • Lobster

    Lobster is a game programming language. It was developed to make it easier for people who are already programmers to prototype and make games.

    Open Source Windows Linux

    No features added Add a feature
  • Leadwerks icon

    Leadwerks

    Low-cost video game development engine for Windows platforms.

    Commercial Windows Linux

    No features added Add a feature
  • Marmalade

    Marmalade is an award winning, cross-platform development tool built around the belief that developers should be free to innovate, create and craft fantastic content for any audience on any device without compromising on performance...

    Free Personal Mac Windows Android iPhone Windows RT Android Tablet ... Windows Phone iPad

  • Maratis icon

    Maratis

    Maratis is a portable, simple and visual game development tool designed for artists and developers. The Engine has been tested on Windows, Mac, Linux and iOS and can be used virtually on any platform. Maratis is Free and...

    Free Mac Windows Linux iPhone iPad

    No features added Add a feature
  • Shiva icon

    Shiva

    ShiVa 3D game engine with graphical editor to create applications and games for Windows, MacOS, Linux, iPhone, iPad, Android, Palm WebOS and Wii.

    Freemium Windows

  • Thinking Worlds icon

    Thinking Worlds

    Thinking Worlds is a globally unique 3D sims & games creation environment. It enables novice and advanced developers alike to create and publish highly immersive sims & games – rapidly. It has been designed from the start...

    Free Windows

    No features added Add a feature
    • Discontinued The official website is no longer available. Last version, 3.5.3, released in September 2011, can be still downloaded from Download.com

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