Most interesting in 3D Modeling

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

Top rated in 3D Modeling

TurboFLOORPLAN Home &
Free

TurboFLOORPLAN Home & Landscape Pro is an excellent home design software that makes it easy to create detailed 2D and 3D plans of your home

DotSoft ToolPac
Free

ToolPac 14.0, was designed to eliminate the numerous bottlenecks in AutoCAD

MakeHuman
Free

Creates body proportions, face shapes, Hands details, feet for animations, etc.

DeltaCad
Free

Creates, manages and modifies CAD projects

Autodesk Land Desktop 2005
Free

This service pack includes the fixes in the AutoCAD® 2005 Service Pack 1

RISA-3D
Free

Creates and modifies infrastructural models and layouts

RAM Structural System
Free

It creates a complete analysis and design of both steel and concrete buildings

pcaColumn
Free

Creates and analyzes sections of reinforced concrete

3D Home Architect Deluxe
Free

I recently purchased 3D Home Architect Deluxe and I'm very impressed

LeoCAD
Free

A great CAD editor designed to build animations,instructions using a big library

Civil Designer
Free

Enables detailed viewing and editing of CAD projects

eCabinet Systems
Free

eCabinet Systems is an extensive design, costing, sales and production software

Revit Structure
Free

It is a very good solution for structural engineering firms

Sheet Cutting Suite
Free

Generates and adjusts 2D cutting designs

PowerDraw

Draw various figures using various pen or brush styles

ITS HF Propagation
Free

The software contained within was developed by an agency of the U.S

Draft IT
Free

It enables you to create professional level drawings for your project

SolidWorks Viewer
Free

Loads and analyzes assemblies and drawings

Impact
Free

View, predict, and simulate car crashes in 3D

MAPS
Free

Compares the Microchip's ADC-SAR parameters to other ADC-SAR parameters