ImageJ3D is a simple Java framework for generating renderings of simple 3D scenes, surface plots or volume renderings.
After having developed three ImageJ plugins that use 3D display techniques of image data (Color Inspector 3D, 3D Surface Plot, and Volume Viewer), the idea came up that these plugins do share a lot of common algorithms that could also be used for other plugins which need a 3D display of (image) data.
Below example plugins using this framework can be found.