Carrara (Metacreations)  
   Full scale 3D modeling packedge with Metastream capability.
   http://www.metacreations.com/products/carrara/

Flatland  
   Software for creating and viewing 3Dml - a mark up lauguage aimed at the Internet.
   http://www.flatland.com/

OpenGL  
   Industry standard 3D graphics software library supported my many platforms.
   http://www.opengl.org/

VR Juggler  
   VR Juggler is an OpenSource (LGPL) virtual platform for VR application development.
   http://www.vrjuggler.org

3D Studio MAX  
   A favourite 3D world creation tool with export features for real time 3D.
   http://www2.discreet.com/products/products.html?prod=3dsmax

DirectX Developer Center (MSDN)  
   Includes information about Direct3D - a real time graphics library primary for the window platform.
   http://msdn.microsoft.com/directx/

Cosmo Software  
   Producers of the Cosmo VRML viewer with plugin support.
   http://www.cosmosoftware.com/

Maelstrom  
   A leading immersive VR software production company.
   http://www.maelstrom.com

SmartVR  
   Develops SmartVerse, a software suite for building fully dynamic and multi-user shared, voice-enabled 3D worlds for Windows platforms.
   http://www.smartvr.com

Noble Ape  
   A public access development forum for artificial intelligence, simulation and virtual reality software.
   http://www.nobleape.com/

SIAMS S3D  
   A three-dimensional virtual constructor, which main task is to compose structures.
   http://siams.com/modeling/

VRMLmagic  
   An easy to use tool for creating interactive 3D (Virtual Reality) web pages in the VRML/X3D/Web3D format.
   http://www.scintillatinggraphics.com.au/VRMLmagic/

VantagePoint  
   Creators of Perspective, a VR viewer that allows you to bring 3D CAD data into a virtual environment.
   http://www.vantagepointtechnologies.com

Virtual Education Partnership Ltd.  
   A developer of virtual reality visualisation software for the education and heritage sectors.
   http://www.vr-education.com

VR++  
   An open-source framework for creating modular and distrbuted VR applications.
   http://www.vrmedialab.dk/~vrpp/

INT3D System  
   Tool for creating virtual interactive 3D scenes for publishing on the World Wide Web.
   http://www.int3d.com

Autofact Inc.  
   A software company developing 3D computer graphics and point-clouds process system.
   http://homepage1.nifty.com/autofact/English/EIndex.htm

DX Studio  
   Tools for building real time 2D and 3D interactive documents in DirectX 9. Results can be embedded using the ActiveX player, or run as a standalone exe.
   http://www.dxstudio.com/

IDVision  
   Web enabled virtual product generation with state-of-the-art texture mapping solution, EasyMap web demo.
   http://www.idvision.com/

EZPhysics  
   Editor used for interactive mapping between meshes and physics engine objects such as proxies and joints. API for reading the edited output XML file and ease the writing of complex virtual physical worlds that look real.
   http://ezphysics.org

MapBuilder  
   A creation tool to build 3D-worlds for games and virtual reality development.
   http://www.Skydat.net/MapBuilder