Since it hasn't been mentioned yet, I'll add https://github.com/MarcWeber/vim-addon-manager https://github.com/MarcWeber/vim-addon-manager (Not to be confused

Since it hasn't been mentioned yet, I'll add https://github.com/MarcWeber/vim-addon-manager https://github.com/MarcWeber/vim-addon-manager (Not to be confused with http://packages.debian.org/sid/vim-addon-manager http://packages.debian.org/sid/vim-addon-manager -- and yes, the author of the former got permission from the author of the latter to re-use the name.)