Most interesting in 3D Modeling

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

Top rated in 3D Modeling

AutoCAD Civil 3D
Free

Creates civil infrastructure projects

V-Ray for SketchUp
Free

V-Ray for Sketchup helps develop Google Sketchup 3D architecture designs

freeCAD
Free

Parametric 3D modeler

Cinema 4D Studio
Free

Creates 3D animations, cartoons and images

Rhinoceros
Free

Creates complex 3D models

Home Plan Pro
Free

Creates and edits 2D working home plans

BluffTitler
Free

Creates 3D animations for presentations or videos

ETABS
Free

Analyze and design multistory buildings

OpenText Brava! DWG Viewer
Free

Opens AutoCAD files without having the CAD applications installed on the PC

DIALux
Free

Design the lighting of various areas

SketchUp Import 2016
Free

A plugin that allows you to import SKP files into your AutoCAD drawings

Autodesk ReCap 360
Free

Accessesm views and manages point cloud data

DreamPlan Home Design Software
Free

Create a floor plan for your home and start adding walls and textures

Aurora 3D Text & Logo
Free

I recently tried out Aurora 3D Text & Logo Maker and I must say I was impressed

LEGO Digital Designer
Free

Create personalzied LEGO models

AutoCAD - English
Free

It is a program that allows you to explore and visualize 3D concepts

Autodesk Design Review
Free

Review 2D and 3D designs without using the application they were created in

SketchUp Import for AutoCAD
Free

It offers you two ways to get SKP files into your AutoCAD drawings

Unity
Free

Create graphics using one of the world's most powerful 3D engines

Autodesk Backburner
Free

Render animation scenes from multiple computers in the same network