This tool calculates a normal map from a raw 16 bit unsigned short little endian height map and outputs the generated normal map into a raw 16 bit unsigned short little endian image file. developed against the OS X 10.8 SDK, link this against the Accelerate framework.
The Most Pixels Ever is an open-source Java and C++ framework for spanning Processing sketches and openFrameworks applications across multiple screens. in process of moving from: http://code.google.com/p/mostpixelsever/
C++ openFrameworks addon for very simple to use wrapper for OpenCL. All underlying openCL objects are accessible to allow advanced features too if need be. Demo (1M particles @ 100-200 fps) at vimeo.com/7332496