VimPlugin: Cscope

From wikinotes

The inverse of ctags. Jump to all function calls. Unfortunately only works with 'C' language, but can be adapted to other languages:

http://stackoverflow.com/questions/563616/vim-and-ctags-tips-and-tricks
http://stackoverflow.com/questions/3718868/using-cscope-to-browse-python-code-with-vim

NOTE:

I never used this. ctags is sufficient.