AC3D Alternatives

Blender is the free and open-source 3D creation suite. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing, video editing, and motion tracking.

SketchUp (formerly Google Sketchup) is a 3D modeling computer program for a wide range of drawing applications such as architectural, interior design, civil and mechanical engineering, film, and video game design—and available in a freeware version, SketchUp Make, and a paid...

MakeHuman is an interactive modelling tool for creating realistic 3D human characters. These models can be exported to several computer graphics and animation platforms including Blender, Unity 3D, Unreal Engine, OpenSim and Second Life.

Autodesk Maya software is a powerful, integrated 3D modeling, animation, visual effects, and rendering solution.

Wings 3D is a subdivision modeler inspired by Nendo and Mirai from Izware.

It is possible to assign materials, vertex color, UV coordinates and textures, but there will be improvements in those features before Wings goes 1.0.

There is no support in Wings for doing animations.

3D modeling and rendering software for design visualization, games, and animations.

Bforartists is a complete 3D suite to create 3D content. It offers you the full 3D art pipeline to create game graphics, prerendered movies and stills.

Sketchfab is the first web service to publish interactive 3D content online in real-time without plugins.

pixiv has released "VRoid Studio", a character maker that allows users to create, in easy steps, 3D model characters which can be used in various VR\AR platforms as well as the production 3DCG animation and games.

MODO is a fully featured 3D content creation application, famous primarily for it's modelling capabilities, MODO also offers a fast renderer, sculpting, painting, dynamics and animation tools.