Viva is a project mainly written in Perl, it's free.
Simple CLI tool for managing vim plugins with pathogen and git-submodule
Viva is a thin wrapper for vim plugin management with pathogen.vim and git submobules.
Download it, unpack it, then build it as per the usual:
% perl Makefile.PL
% make && make testThen install it:
% make installand do it:
% viva --help
% viva search unite.vim