diff --git a/vimrc b/vimrc
index e30c75e..48cff44 100644
--- a/vimrc
+++ b/vimrc
@@ -1,4 +1,4 @@
-" set encoding type
+" set character encoding
 set encoding=utf-8
 
 " vim-plug automatic installationx
@@ -17,9 +17,12 @@ Plug 'vim-airline/vim-airline-themes'
 Plug 'tpope/vim-fugitive'
 Plug 'maralla/completor.vim'
 Plug 'scrooloose/nerdcommenter'
-Plug 'ctrlpvim/ctrlp.vim'
+Plug 'jiangmiao/auto-pairs'
+Plug 'preservim/nerdtree'
 Plug 'nanotech/jellybeans.vim'
 Plug 'rakr/vim-one'
+Plug 'preservim/tagbar'
+Plug 'ryanoasis/vim-devicons'
 call plug#end()
 
 " be iMproved
@@ -50,7 +53,7 @@ set cm=blowfish
 set number
 
 " toggle line numbers
-nnoremap <F2> :set nonumber!<CR>:set foldcolumn=0<CR>
+nnoremap <F3> :set nonumber!<CR>:set foldcolumn=0<CR>
 
 " set preview window at the bottom
 set splitbelow
@@ -84,12 +87,22 @@ set smartcase
 " rebind <leader> key
 let mapleader=";"
 
+" NERDTrees
+nnoremap <F2> :NERDTreeToggle /home/deon/Projects/<CR>
+
+" NERDCommenter
+nnoremap <leader>cc :NERDCommenterComment<CR>
+nnoremap <leader>cu :NERDCommenterUncomment<CR>
+
+" tagbar
+nmap <F8> :TagbarToggle<CR>
+
 " map sort function to a key
 vnoremap <leader>s :sort<CR>
 
 " easier buffer navigation
-map ;n :bn<cr>
-map ;p :bp<cr>
+map <Tab> :bn<cr>
+map <s-Tab> :bp<cr>
 map ;d :bd<cr>
 
 " easier moving of code block indentation
@@ -114,6 +127,13 @@ let g:UltiSnipsExpandTrigger="<C-j>"
 set t_Co=256
 colorschem jellybeans
 
+" number line column color
+highlight LineNr ctermfg=grey ctermbg=0
+
+" NERDTrees File highlighting
+autocmd filetype nerdtree syn match py_icon # # containedin=NERDTreeFlags
+autocmd filetype nerdtree highlight py_icon ctermbg=none ctermfg=blue
+
 " set color for printing
 command Hardcopy call Hardcopy()
 function! Hardcopy()