Quick site is an Open Source Web Site Conntent Manegment System. It allows you to manage Content on you Site as well as the look of your site. It also provides you with a message board and an easy way to manage it.
Yet Another Homemade Game Engine (yahge) is what the name says a free open source 3D Game Engine geared towards development of 3D First Person Shooters. Major goals are to provide a Rapid Prototyping System for Game Ideas or to make Game Demos for Resume