Swift 3D is described as 'software is a easy-to-use 3D modeling and animation tool that converts 3D into vector files in Flash swf, WPF, and Silverlight XAML. The software works with Adobe Flash, Microsoft Silverlight and Expression Blend, 3ds Max, and PowerPoint to silverlight converter'. There are more than 50 alternatives to Swift 3D for a variety of platforms, including Windows, Mac, Linux, Android and Online / Web-based. The best alternative is Blender, which is both free and Open Source. Other great apps like Swift 3D are SketchUp (Freemium), MakeHuman (Free, Open Source), Autodesk Maya (Paid) and Wings 3D (Free, Open Source).
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.
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.
Sketchfab is the first web service to publish interactive 3D content online in real-time without plugins. Every new format has its global platform: videos have Youtube, photos have flickr, sounds have Soundcloud... Now 3D files have Sketchfab.
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.