Shiny is a lightning fast, fully documented & by-far-easiest-to-use C/C++/Lua profiler with no extensive surgery. Results are smoothed & shown in run-time as a call-tree or sorted-by-time. Output also renderable as graphs in Ogre3D or your custom engine
UCD Analyzer is a tool for analyzing websites usability (as well as accessibility, search engine optimization). It uses set of configurable rules to generate usability report.