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.
- - Blender is the most popular Windows, Mac & Linux alternative to Fragmentarium.
- - Blender is the most popular Open Source & free alternative to Fragmentarium.
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...
- - SketchUp is the most popular Web-based alternative to Fragmentarium.
Autodesk Maya software is a powerful, integrated 3D modeling, animation, visual effects, and rendering solution.
- - Autodesk Maya is the most popular commercial alternative to Fragmentarium.
CINEMA 4D is a commercial, cross-platform, high-end 3-D graphics application, produced by MAXON Computer GmbH of Friedrichsdorf, Germany. Noted for its flexible interface and ease of use, it is capable of procedural and polygonal/subd modelling, animating, lighting, texturing...
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.
3D-Coat is the one application that has all the tools you need to take your 3D idea from a block of digital clay all the way to a production ready, fully textured organic or hard surface model.
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.
Sketchfab is the first web service to publish interactive 3D content online in real-time without plugins.
NUKE is a powerful compositing application that delivers unparalleled speed, an efficient multi-channel scanline rendering engine, and a first-class feature set that is unrivalled in the desktop market.
K-3D is free-as-in-freedom 3D modeling and animation software. It features a plugin-oriented procedural engine for all of its content, making K-3D a very versatile and powerful package.
According to the official website k-3d.org :The latest "source code" release is from November 2015. And the latest binary executable release is even older. According to its Sourceforge page ( https://sourceforge.net/projects/k3d/files/K-3D Win32 Binaries/ ), latest release is from june 2010.
TouchDesigner is a complete authoring tool for building interactive 3D art, visualizations, prototypes and UIs. Derivative makes and supports TouchDesigner and offers their services to do custom production using TouchDesigner.