https://github.com/gmarik/vundle
Vundle allows to:
keep track and configure your scripts right in .vimrc
install configured scripts (aka bundle)
update configured scripts
search by name all available vim scripts
clean unused scripts up
run above actions in a single keypress with interactive mode
Also Vundle:
manages runtime path of your installed scripts
regenerates helptag atomatically
--------
For a full list of all available vim plugin, check: http://vim-scripts.org/vim/scripts.html