AzureGE is a multi-platform OpenGL and OpenAL-based game engine. It has built-in support for I/O, threading, and networking, a particle system, a material generator, a texture generator, and a mesh/terrain generator. It is intended mainly for creating role playing games, but can also be used for other types of game.
openDarkEngine is a from-scratch rewrite of the famous Dark Engine originally written by Looking Glass Studios. The engine was used in the Thief 1, Thief Gold, Thief 2, and System Shock 2 games. This rewrite is targeted at newer machines and should improve compatibility and give the games (and all the fan made material) a never ending life. It should also allow manipulation of the original data files.
Humm and Strumm is a 3D adventure game in which two players must collaboratively solve puzzles and fight enemies in order to stop the evil Dr. Geoff from taking over the world. Humm and Strumm is set in a psychedelic fairytale world, with lands such as a giant cupcake and a musical forest. The main characters, Humm and Strumm, are armed with yo-yos for weapons. Humm and Strumm has two modes of play: Adventure Mode, in which two players fight Dr. Geoff, and Tag Mode, in which up to eight players play a game of tag using their characters' weapons.
The Cafu Engine is an all-purpose, modern 3D graphics engine and game development kit. It is feature complete to get you started quickly. It can be used to create a variety of 3D applications, including games, simulations, and training and architectural software. Written in C++, the tools, libraries, and framework have been designed to make the development of new games and other 3D applications easy. They are actively and continuously developed in order to provide the latest technology.
Click'n'Drag is a Python module that introduces the "Plane" class, which extends PyGame's "Surface" functionality, offering a hierarchy of mouse-sensitive, draggable Surfaces that can be used as sprites, windows, icons, or other interactive elements. In addition, the clickndrag.gui module uses clickndrag to provide basic GUI elements like container, label, text box, option list, and button.