C++ tutorial guide to working with Clutter framework.http://www.openismus.com/documents/clutter_tutori...
Mozilla's guide for writing portable c++ code that works with all the compilers that they support. Basically a large list of things not to do or use.https://developer.mozilla.org/en/C___Portability_...
Lazy foo is a site with lots of basic 2d tutorials for using SDL in c++. Very good, and very simple.http://lazyfoo.net/SDL_tutorials/index.php
Site with a very basic overview of the major components that make up a complete 2d engine. Containts source code using SDL and opengl written in c++.http://gpwiki.org/index.php/SDL:Tutorials:Complet...
Horde 3d is a small opensource 3d engine with lots of fancy 3d features you would expect in a recent 3d engine. It is licensed under the Eclipse licensehttp://www.horde3d.org/
Open city is a 3d city simulator written in opengl and sdl using c++. Site contains a game programming tutorial based around the creation of the game.http://www.opencity.info/
Wormux is a cross platform gpl came written in c++. It is basically a worms clone but looks pretty damn good and works well.http://www.wormux.org/phpboost/news/news.php
Website of a nice man who makes some simple free opensource games. Nice example of c++ using sdl.http://members.gamedev.net/alfith/
Very very good looking opensource RTS, under development for years and probably still a couple of years out of completion. Recently open sourced the entire project and making better progresshttp://wildfiregames.com/0ad/
PokerTH is a well coded cross platform poker client with network protocol. Written in qt4 with c++http://www.pokerth.net/