| Open Inventor (SGI) --- Superset of VRML, includes support for sensors and engines. Extensible by user provided dynamically loaded C++ clasees) |
| TBAG (Sun Microsystems) --- functional 3D graphics language with parametric support for time-varying and user-controllable geometries. |
| UGA (Brown University) --- object-oriented interpreted 3D language for rapid prototyping interactive 3D graphics applications. |
| Alice (Univ. of Virginia) --- based on Python, supports rapid prototyping for 3D graphics. |
| ANIM3D (Digital) --- based on Obliq, used for algorithm visualization. |
| Worlds (Worlds, Inc.) --- commercial product for multimedia collaboratory. |
| VRML+ (World, Inc.) --- collaboratory protocol with API support for dynamic modification of the VRML scene graph. |
| BE System (BE Software Company) --- Pascal-like language to specify behavior for Inventor nodes. |