-*- mode: outline -*-

* etags.

For Emacs.

* ctags (Exuberant Ctags).

For Emacs/Vim.

  http://ctags.sourceforge.net
                home page

* GNU GLOBAL.

  http://www.gnu.org/software/global
                home page

* ID Utils.

  http://www.gnu.org/software/idutils/idutils.html
                home page

* cscope.

For Vim.

** cbrowser.

Cbrowser is a graphical C/C++ source code searching and browsing tool, and a
hierarchical function call viewer.

Cbrowser is implemented in Tcl/Tk.

  http://www.ziplink.net/~felaco/cbrowser

* OpenGrok.

Written on Java. Allow WEB hosting and highlighting.

  http://ru.wikipedia.org/wiki/OpenGrok