Research efforts in immersive environments, modelling, CAM, scientific visualization, medical illustration, terrain modeling and rendering, haptics (force-feedback), realistic and non-photorealistic rendering.
Descriptions, history, examples, references; in HTML, PDF, and in: The Computer Engineering Handbook, by Vojin Oklobdzija, CRC Press, 2001, ISBN 0849308852.
CMI is an optimizing frontend for gcc which allows gcc to inline across module boundaries without requiring you to put inline functions in header files or even mark inline functions for inlining.