Most interesting in 3D Modeling

Free
Creates complex 3D models
Review 2D and 3D designs without using the application they were created in
It is a program that allows you to explore and visualize 3D concepts
Free
Design the lighting of various areas
Create a floor plan for your home and start adding walls and textures

Top rated in 3D Modeling

Power Surfacing
Free

Design and modify complex free-form objects

Autodesk Fabrication CAMduct
Free

Powerful manufacturing and production management tool

KeyShot SolidWorks Plugin
Free

KeyShot SolidWorks Plugin allows you to export your SolidWorks models easily

Palladio X BIM WindowsLayout
Free

It is a free add-in that allows you to arrange all open windows by a scheme

EasyDimension
Free

EasyDimension tool helps you add dimensions for various visible elements

Cameo Apparel Software System
Free

Manage materials for apparel production

IdeaRoom
Free

IdeaRoom allows you to explore your woodworking projects in 3D

SketchUp Architecture Library
Free

The plugin offers architectural accessories to design your house of office

ET Surface for ArcGIS
Free

It is a set of tools for ArcGIS that enable the users to create surfaces

Brighter3D
Free

Performs SketchUp modification in images

Cubify Invent
Free

3D design software that allows users to turn ideas into reality

KScan3D
Free

Creates, modifies and views 3D models with Kinect

EZ Schematics Pro
Free

It is a 2D cad program for developing hydraulic schematics and diagrams

GF Piping Systems CAD Library
Free

This CAD library for AutoCAD comes with over 25,000 drawings and technical data

Keeprite Design Tools
Free

KeepRite Refrigeration Design Tools helps refrigeration pros make accurate calculations, choose components, print drawings and access product info

CADtoEarth
Free

Manage, enhance, and process 3D Cad models

Aumentaty Author
Free

Program that uses fiducial markers to recognize 3D space and place content without coding

Cinema4D Add-On AC16 INT
Free

This add-on can process only the 3D geometry data, lights and the 3D view

Articulate Photographic Characters
Free

8 characters offer 1100 poses for realistic photographic characters to enhance Articulate Storyline courses

ZWCAD+ 2012
Free

ZWCAD+ is the new version of ZWCAD, a proven CAD solution