Cyberix3D!

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.

Wick is a free Flash-like browser-based toolkit for creating small interactive things for the Internet. With Wick, you can create games, animations, and everything in between. Your creations can run on any device with a web browser - that means mobile too. And since Wick lives in the browser, you don't have to download any extra software to use it!

An open-source 3D/2D game engine for ObjectPascal.

PlayCanvas is the world’s easiest to use WebGL Game Engine. It’s free, it’s open source and it’s backed by amazing developer tools.

Amazon Lumberyard is a free, cross-platform, 3D game engine for you to create the highest-quality games, connect your games to the vast compute and storage of the AWS Cloud, and engage fans on Twitch.By starting game projects with Lumberyard, you can spend more of your time creating great gameplay and building communities of fans, and less time on the undifferentiated heavy lifting of building a game engine and managing server infrastructure.

Cocos2d-x is an open-source and cross platform open source free 2D game engine for mobile game development known for its speed, stability, and easy of use

3D. Everywhere.

The WorldForge project is the original open-source MMORPG project, dating back to 1997. The intent lies in creating a widely used development framework and set of libraries by motivating interested developers to improve on the original code.

Welcome to GameGuru, the easy game maker. Our mission is to create the easiest and most enjoyable game creator. Join us and our great & enthusiastic community on this journey.

The Cafu Engine is an all-purpose, modern 3D graphics engine and game development kit, feature complete to get you started quickly.

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 or creative vision.With a C++ core and additional modules for Lua, HTML5 and Objective-C, the open and flexible Marmalade architecture and rich ecosystem enables developers to build the experiences they want and deploy them to all major mobile, TV and desktop platforms from just one codebase whilst maintaining native level performance and avoiding expensive porting costs.Go ahead, spread the good stuff, make it with Marmalade. »

SMILE GAME BUILDER is software to make RPGs for your PC.