Most interesting in 3D Modeling

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

Top rated in 3D Modeling

Artlantis
Free

Create photorealistic renderings and animations on Mac.

EasyEDA
Free

Create private or public projects including spice circuit simulations.

Revizto
Free

Unifies BIM intelligence and makes it accessible to the entire project team.

Reallusion Hub
Free

Review, open, install and update any 2D/3D animation program or plug-in.

bim.aero
Free

Produce BIM contents a posteriori, keeping your mind away from BIM issues.

FlashPrint
Free

Easy 3D slicing software for FlashForge printers.

MiniCAD
Free

Open various DXF, DWG (R14-R2017), and DWF file versions on your Mac.

Soundvision
Free

3D software for acoustic and mechanical modeling with real-time mapping and user-friendly interface.

Fusion Render Node
Free

Fusion is an advanced compositing software for visual effects artists.

Substance Painter
Free

Substance Painter is a 3D painting tool to texture, render, and share.

Room Arranger
Free

Intended mainly for designing house and office interiors.

RailModeller Express
Free

RailModeller Express creates small model railroad layouts with accessories like signals, houses, trees, etc.

Houdini Indie
Free

It provides a set of procedural tools and assets to help you create animations.

Houdini Apprentice
Free

It is a free version of Houdini FX to create non-commercial projects.

RailModeller Pro
Free

A planning tool for designing model railroad and slot car layouts.

DreamPlan Home Design Software
Free

Create home and landscape designs and presentations.

Collider
Free

Audiovisual experience using LEAP Motion and Oculus Rift to warp your mind with generative visuals and dynamic sounds.

Sculpting
Free

Sculpting lets you delicately sculpt your own three-dimensional creations.

Sysquake
Free

Sysquake is an app for understanding systems and designing products.

Strata Design 3D SE 7
Free

Create basic and advanced 3D design projects of any kind.