Managed with https://github.com/gmarik/vundle here are the plugins I'd say I use every day:

https://github.com/airblade/vim-gitgutter show git change/deleted lines

https://github.com/bling/vim-airline light weight, pure vimscript status line

https://github.com/kien/ctrlp.vim fuzzy file finder that mostly works

https://github.com/tpope/vim-fugitive very nice Git wrapper

https://github.com/scrooloose/syntastic generic in Vim syntax checker plugin

https://github.com/sjl/gundo.vim undo tree viewing