nanoCAD is a pro-grade 2D CAD system with native DWG support and full customizability. It is totally free, for business, professional, or personal purposes. It is fast, lightweight, capable, and , unlike most free CAD programs, completely uncrippled. nanoCAD includes:

Fragmentarium is an open source, cross-platform IDE for exploring pixel based graphics on the GPU.

ZModeler (or Zanoza Modeler) is a 3D modeling application. It is aimed at modelers who model for computer games such as 18 Wheels of Steel, Grand Theft Auto, Need for Speed, Midtown Madness or similar video games.

LDraw is an open standard for LEGO CAD programs that allow the user to create virtual LEGO models and scenes. You can use it to document models you have physically built, create building instructions just like LEGO, render 3D photo realistic images of your virtual models and...

Created a 3D model from photos with two standard front and side view of a head, the user has to various reference points and contours for the face, nose, ears, etc.

Floor planner, decor in 3D, and render interior design projects in minutes. With Coohom you can go from idea to fully customized design & photo-realistic rendering in minutes using a floor planner.

DeleD is a 3D modeler and level-editor combined into one. It focuses at game development and is specifically designed to create static objects/worlds. Other areas in which you can put DeleD to good use are, for example, educational services, webdesign, prototyping and image...