The Irrlicht Engine is an open source high performance realtime 3D engine written and usable in C++. It is completely cross-platform, using D3D, OpenGL and its own software renderers.
qGo is a full featured SGF editor and Go Client available for Linux, Windows and Mac. qGo is based on Qt 3.1+. qGo2, currently under development, will be based on Qt 4 and will be able to play go on IGS, WING, LGS, CyberORO, Tygem, Tom, and eWeiqi.
Acid Games is a new indiependant game development team. All of our projects are opensource or otherwise stated so. We are open for freedback, suggestions, and more. Our main project is called Arograth Online. It is a MMO created with Realm Crafter.
Game Transaction Transfer Protocol (gttp) is a platform indepentant common set of request/response pairs to send/recieve game information to/from server and client allowing multiple games servers and clients to be linked more or less seamlessly.
GameGuts is a collection of low-level services for game development. It is not a game engine; it is a foundation on which to build an engine. A DLL with a C API, targeted at higher-level languages. Includes bindings for .NET, more to come.
GamingBot is a IRC bot that allows channel admins to organize ladders fully handled by the bot. The bot will help users to find opponents, and them manage the whole "match" process, such as loading up the settings, starting the match..
Hawx is a project for all habbo users over the world. It can run on all operating systems that are available It can connect to all habbo hotels and it has got some tools to make habbo easier.
Polar Cat is a board game based on Tic Tac Toe classic game using Polar Coordinates.
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...
S.LSoftware lots of useful small open source projects
Spourious is a Visual Basic World of Warcraft Emulator. Spurious uses Codedom to compile scripts. This EMU is also compatible with MySql, Oracle and Microsoft Sql Server. Once complete this Spurious will be one of the leading emulators.
Open-Source Massive Multiplayer Online Role-Playing Game engine. Server is semi-free, open for non-commercial use. Client is free software and the content is proprietary. Rehash from a 5-year-old project, active again since august 2007.
This is a collection of software developed by the group TeenDev. Software includes programs for the ARM architecture, PPC architecture, and i386 (x86) architecture. All open-sourced projects will be posted here.