Se CSCOPE,
http://cscope.sourceforge.net/Cscope is a developer's tool for browsing source code. It has an impeccable Unix pedigree, having been originally developed at Bell Labs back in the days of the PDP-11. Cscope was part of the official AT&T Unix distribution for many years, and has been used to manage projects involving 20 million lines of code!
Grensesnitt: Vim, Emacs, XEmacs samt GUIer Cbrowser og KScope, se nettsiden.
Dersom du prøver den, fortell gjerne hvordan den er.