HEATKEYS

Tinkercad is an easy-to-use 3D CAD design tool. Quickly turn your idea into a CAD model for a 3D printer with Tinkercad.

3D Communication software for Design and Engineering Professionals.

Design weblog for designers, bloggers and tech users. Covering useful tools, tutorials, tips and inspirational photos.

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

The best freeware reviews presented to you by Gizmo

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...

AR-CAD offers free and inexpensive 3D CAD Software with Motion Simulation Capabilities, namely freeCAD, StCAD. IN-Motion is a motion and dynamic simulation developed for Autodesk Inventor.

For people who want to make things themselves, Autodesk 123D is free 3D modeling software integrated with content and fabrication services.

Design World Online helps engineers and other industry professionals stay up-to-date with engineering videos, manufacturing parts information, industrial news and more.

TurboCAD is the premium software solution for professional 2D and 3D design.

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

Only freeware - for Win 95/98/ME/XP/Vista/Win 7. No shareware. Large selection organized by category.