Most interesting in 3D Modeling

Free
Creates and edits 2D CAM technical drawings.
Free
LuxRender is a physically based and unbiased rendering engine.
Free
From the outset, ArchiCAD was developed specifically to address the architect
Free
A powerful tool designed for making 3D animations and short films.
Free
ZBrush is a digital sculpting and painting program.

Top rated in 3D Modeling

Framer
Free

JavaScript framework for rapid prototyping with features such as precise animation control, in-flight animation changes, and spring physics.

PCB-ST Lite
Free

McCAD PCB-ST Lite is a free, net list driven PCB layout design environment for small projects.

fluidity
Free

Fluidity enables real-time control of a dynamic fluid simulation with keyboard and touch pad/mouse for adjusting settings.

netfabb Basic
Free

netfabb Basic - It’s an advanced viewer and analysis tool for 3D data.

DiscoBrickDJ
Free

It creates dazzling visual fx reacting with audio captured by your built-in mic

Diashapes
Free

Diashapes makes it easy to add Dia symbols.

DHTImageFinder AS Lite
Free

Adobe Illustrator link files can be collected easily, reducing time to check images & improving design workflow.

Utherverse
Free

Utherverse is the most sophisticated and advanced 3D virtual reality universe.

iCADMac
Free

Is a complete DWG CAD package offering a wide array of features and tools.

RailModeller
Free

Lets you design model railroad and slot car layouts.

Screen Compass
Free

The Screen Compass allows you to measure the radius, circumference.

BZFlag-
Free

BZFlag is a online multiplayer cross-platform open source 3D tank battle game.

Context Free
Free

With this tool you can create thousand works of art.

PowerCADD
Free

Flexible and robust CAD design tool.

SimAquarium
Free

It brings the most realistic coral reef aquarium to your computer screen.

Terragen 2
Free

Realistic environment renderer and animator. Control weather, landscapes, and more.

Artlantis Render
Free

Creates and modifies 3D models with quick editing options.

Groboto
Free

Create complex, dynamic, lyrical forms and animation.

Swift 3D
Free

It can be used for graphic and rich media designers.

Silo 2
Free

Silo 2 is a focused 3D modeling app and can be used for creating 3D characters..