Toolkit for working with and mapping geospatial data
X3D is the open-standard format for 3D graphics scenes on the Web.
3D .NET engine for Windows, Linux, Mac
jchart2d is a real-time charting library written in java.
Free online HTML website builder
Pear3DEngine is a modern and modular 3D development framework
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor