FIFE is a cross platform 2D game creation framework written in C++ with Python bindings. It's designed to be flexible enough to support a wide variety of 2D game types but specializes in 2D isometric type views.
Titanium Xna Game Engine is a Xna 3.1 based game engine written in c#. Complex scenes can be build in just few lines of code. The developer is free to combine TXna features and standard Xna techniques without any limitations.
A platform independent, C++ game development framework. Not a game library, but highly flexible "scaffolding" upon which to construct a game. This project has been superceded by the Golem Engine. https://sourceforge.net/projects/golem3d/
The Lambda-Engine is a cross platform game engine written in C++. It simplifies core tasks, such as rendering/graphics, sound, physics, math, scene and resource management.
It is still *far* from finished, but I am working on it :)
PhantomSDL, is a game-development framework written in C++ and based in SDL.
This project aims at writing a threaded, object-oriented and scriptable game engine targetting the .NET platform, using a mixture of c# or managed c++ ports of famous c/c++ components such as OGRE, CEGUI, Newton, Lua, Python, Audiere, OpenAL, etc...
Simple Playing - Game Framework : An easy to use framework with dependency injection. Based on OpenGL SFML and the boost libraries. Written in C++ and theoretically supporting all major operating systems.
Susi-Z is a platform-independent C++ game and media-art engine.
TnC (The Next Coming) is a set of C++ classes that aims to use "The 4th Coming" (t4c) game datas with SDL library.The TnC classes can be used to extract and get the 4th coming sprites as SDL Surfaces. There's also classes to display...
Forge Flex is a Game Engine supporting isometric maps, graphics (shapes, images, fonts, sprites) audio and interface components wrote in C++, using DirectX.
A source framework and runtime library for building game engines; providing windowing, input, sound, and networking; in a simple, platform-independant manner. Utilizing C++, OpenGL, and various native APIs to provide a platform-transparent system.
Jelly Engine is an open source, C++, mutlithreaded, test driven game engine.
Open Elements is an open source 2D or 3D game engine developed using Visual C# 2008. My goal is for a well structured library that people can use to develop many types of games.
A C# engine for the popular MineSweeper style puzzle game. Easy to extend and integrate into new projects.. See the engine in action: http://www.kongregate.com/games/pintsized/electronminefield
A basic 2D Game engine written in C/C++
It uses OpenGL, OpenAL, Xaudio2, and the standard C/C++ libraries.
THIS IS INTENDED FOR DEVELOPERS ONLY!
A portable easy to use game engine written in C++.
A C# engine for the popular Tower Defense / Defence style puzzle game. Easy to extend and integrate into new projects..
lpi is the ever growing collection of C++ code that I reuse and extend while implementing personal game and graphics projects. It supports an OpenGL-GUI, textures, matrix and vector math, a font, SDL&OpenGL wrappers, XML, PNG loading with...
FreeMMG 2 is a C++ game network engine based on a hybrid client-server and peer-to-peer overlay network, aimed at supporting avatar-based games (RPGs or shooters) in a massively multiplayer context.
Free Lords is a game which is used as amusement tool. This program is built in C language. The main function and play of this game is, users have to win the enemies around them by producing armies. In this game they have to use their ideas to win...