Diff-ext is an extension for filemanagers such as Windows Explorer and Nautilus that allows to launch diff/merge tools on selected files.
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
Recursive source code line counter for C, BASIC, and web files.
Recursively count lines of source code and comments through files and sub-directories. Created to parse entire projects rather than individual files. C, BASIC, and web files (general) supported.