Source SDK

The Source SDK is a software development kit compiled by Valve Software that is used to create maps or mods for the Source engine, with the exception of Left 4 Dead, Left 4 Dead 2, and Alien Swarm.

Commercial Mac OS X Windows

Phaser

Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

Free Open Source Mac OS X Windows Linux

Amazon Lumberyard

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

Free Windows

RPG Toolkit

The RPG Toolkit is a free, open source project delivering a simple, flexible and powerful tool for the creation of role-playing games on your personal computer. The homepage also hosts games created with rpgtoolkit.

Free Open Source Windows Linux

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

Tululoo Game Maker

Tululoo Game Maker is a complex game creation environment that allows you to create browser based games. The program generates a Javascript code that can be played in web browsers using the next generation web standard HTML5.

Free Mac OS X Windows Linux

Alice

Alice is an innovative 3D programming environment that makes it easy to create an animation for telling a story, playing an interactive game, or a video to share on the web. Alice is a teaching tool for introductory computing.

Free Mac OS X Windows Linux

Leadwerks

Low-cost video game development engine for Windows platforms.

Commercial Windows Linux

Open RPG Maker

Open RPG Maker is a free and open source clone of features from the RPG Maker series (i.e. rpgmaker200, rpgmaker2003, rpgmakerxp), as well as many other features.

Free Open Source Mac OS X Windows Linux Mac

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.

Free Open Source Windows

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 Open-source.

Free Open Source Mac OS X Windows Linux iPhone iPad

Coppercube

CopperCube is a 3D editor for creating interactive 3D applications or simple games for Flash / Stage 3D, WebGL or as application. No programming is necessary for this....

Commercial

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.

Free Open Source Windows Linux

Hero Engine

HeroEngine is the only all-in-one development platform for making and operating online games.

Commercial Windows

Angel2D

A cross-platform 2D game prototyping framework based on OpenGL and C++. Angel balances the speed and flexibility of native code with an eye towards rapid iteration...

Free Open Source Mac OS X Windows Linux OpenGL

G3D Innovation Engine

The G3D Innovation Engine is a commercial-grade C++ 3D engine available as Open Source (BSD License). It is used in commercial games, research papers, military...

Free Open Source Mac OS X Windows

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 OS X Windows

Project Anarchy

Project Anarchy is a complete end to end game engine and state-of-the-art toolset for mobile. Project Anarchy includes an entirely free license to ship your game on iOS...

Free Windows

Minko

3D. Everywhere. Minko is a technology to develop and design rich, interactive and universal 3D applications targeting computers, web browsers and mobile platforms. ...

Free Open Source Mac OS X Windows Linux Web