WireFusion Professional 

WireFusion is a professional authoring tool for interactive plugin-free Web3D presentations. Flash is supported and can be combined with 3D models. Add-ons for MPEG video, MP3 sound, Zoom function and more are available.
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eZ 

Simple, free universal viewer for PDF, CAD, 3D Models, Word, Excel, PowerPoint, digital photos: JPG, GIF, BMP, and more. Open multiple files of different type at once and tile to see them all on your screen at once. View compound .ez presentations.
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ThreeDimSim:3D Mechanics simulator 

ThreeDimSim is a powerful 3D mechanics simulation and rendering application. A 3D scene is defined by script using simple shapes and imported meshes from CAD files. Mechanics are simulated and rendered and can be analysed and exported.
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WireFusion 3D 

WireFusion 3D is an add-on for WireFusion. With this add-on you can create real time interactive 3D presentations for the web. No plugin is required to view the presentations and the 3D engine, written in pure Java 1.1 code, is only 25 kb.
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Virtual Flower 

Create flowers and geometrical patterns in 3D. Watch them grow or unfold. A swirling pattern of stars suddenly coalesces into a geodesic sphere with all the points gracefully touching. Files are tiny, 4 - 5 KB usually, suitable for web pages.
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Optimal Pilot 

Optimal Pilot is designed for optimization of complex 3D models (CAD/CAM/CAE systems and others) for real-time visualization. This 3D reduction and optimization tool will speed rendering and provides enhanced control over a 3D model's visual quality.
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