diff --git a/vimrcs/plugins_config.vim b/vimrcs/plugins_config.vim
index c16ecbd1..ba8fa7e2 100644
--- a/vimrcs/plugins_config.vim
+++ b/vimrcs/plugins_config.vim
@@ -8,11 +8,25 @@
 """"""""""""""""""""""""""""""
 " => Load pathogen paths
 """"""""""""""""""""""""""""""
-let s:vim_runtime = expand('<sfile>:p:h')."/.."
-call pathogen#infect(s:vim_runtime.'/sources_forked/{}')
-call pathogen#infect(s:vim_runtime.'/sources_non_forked/{}')
-call pathogen#infect(s:vim_runtime.'/my_plugins/{}')
-call pathogen#helptags()
+" let s:vim_runtime = expand('<sfile>:p:h')."/.."
+" call pathogen#infect(s:vim_runtime.'/sources_forked/{}')
+" call pathogen#infect(s:vim_runtime.'/sources_non_forked/{}')
+" call pathogen#infect(s:vim_runtime.'/my_plugins/{}')
+" call pathogen#helptags()
+
+""""""""""""""""""""""""""""""
+" => Load plug 
+""""""""""""""""""""""""""""""
+call plug#begin()
+
+Plug 'jlanzarotta/bufexplorer'
+Plug 'ctrlpvim/ctrlp.vim'
+Plug 'scrooloose/nerdtree'
+Plug 'neoclide/coc.nvim'
+Plug 'vim-scripts/peaksea'
+
+call plug#end()
+
 
 
 """"""""""""""""""""""""""""""
@@ -28,17 +42,17 @@ map <leader>o :BufExplorer<cr>
 """"""""""""""""""""""""""""""
 " => MRU plugin
 """"""""""""""""""""""""""""""
-let MRU_Max_Entries = 400
-map <leader>f :MRU<CR>
+" let MRU_Max_Entries = 400
+" map <leader>f :MRU<CR>
 
 
 """"""""""""""""""""""""""""""
 " => YankStack
 """"""""""""""""""""""""""""""
-let g:yankstack_yank_keys = ['y', 'd']
+" let g:yankstack_yank_keys = ['y', 'd']
 
-nmap <C-p> <Plug>yankstack_substitute_older_paste
-nmap <C-n> <Plug>yankstack_substitute_newer_paste
+" nmap <C-p> <Plug>yankstack_substitute_older_paste
+" nmap <C-n> <Plug>yankstack_substitute_newer_paste
 
 
 """"""""""""""""""""""""""""""
@@ -61,22 +75,22 @@ let g:ctrlp_custom_ignore = 'node_modules\|^\.DS_Store\|^\.git\|^\.coffee'
 " => ZenCoding
 """"""""""""""""""""""""""""""
 " Enable all functions in all modes
-let g:user_zen_mode='a'
+" let g:user_zen_mode='a'
 
 
 """"""""""""""""""""""""""""""
 " => snipMate (beside <TAB> support <CTRL-j>)
 """"""""""""""""""""""""""""""
-ino <C-j> <C-r>=snipMate#TriggerSnippet()<cr>
-snor <C-j> <esc>i<right><C-r>=snipMate#TriggerSnippet()<cr>
-let g:snipMate = { 'snippet_version' : 1 }
+" ino <C-j> <C-r>=snipMate#TriggerSnippet()<cr>
+" snor <C-j> <esc>i<right><C-r>=snipMate#TriggerSnippet()<cr>
+" let g:snipMate = { 'snippet_version' : 1 }
 
 
 """"""""""""""""""""""""""""""
 " => Vim grep
 """"""""""""""""""""""""""""""
-let Grep_Skip_Dirs = 'RCS CVS SCCS .svn generated'
-set grepprg=/bin/grep\ -nH
+" let Grep_Skip_Dirs = 'RCS CVS SCCS .svn generated'
+" set grepprg=/bin/grep\ -nH
 
 
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
@@ -97,22 +111,22 @@ map <leader>nf :NERDTreeFind<cr>
 let g:multi_cursor_use_default_mapping=0
 
 " Default mapping
-let g:multi_cursor_start_word_key      = '<C-s>'
-let g:multi_cursor_select_all_word_key = '<A-s>'
-let g:multi_cursor_start_key           = 'g<C-s>'
-let g:multi_cursor_select_all_key      = 'g<A-s>'
-let g:multi_cursor_next_key            = '<C-s>'
-let g:multi_cursor_prev_key            = '<C-p>'
-let g:multi_cursor_skip_key            = '<C-x>'
-let g:multi_cursor_quit_key            = '<Esc>'
+" let g:multi_cursor_start_word_key      = '<C-s>'
+" let g:multi_cursor_select_all_word_key = '<A-s>'
+" let g:multi_cursor_start_key           = 'g<C-s>'
+" let g:multi_cursor_select_all_key      = 'g<A-s>'
+" let g:multi_cursor_next_key            = '<C-s>'
+" let g:multi_cursor_prev_key            = '<C-p>'
+" let g:multi_cursor_skip_key            = '<C-x>'
+" let g:multi_cursor_quit_key            = '<Esc>'
 
 
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 " => surround.vim config
 " Annotate strings with gettext 
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
-vmap Si S(i_<esc>f)
-au FileType mako vmap Si S"i${ _(<esc>2f"a) }<esc>
+" vmap Si S(i_<esc>f)
+" au FileType mako vmap Si S"i${ _(<esc>2f"a) }<esc>
 
 
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
@@ -142,10 +156,10 @@ let g:lightline = {
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 " => Vimroom
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
-let g:goyo_width=100
-let g:goyo_margin_top = 2
-let g:goyo_margin_bottom = 2
-nnoremap <silent> <leader>z :Goyo<cr>
+" let g:goyo_width=100
+" let g:goyo_margin_top = 2
+" let g:goyo_margin_bottom = 2
+" nnoremap <silent> <leader>z :Goyo<cr>
 
 
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
@@ -171,19 +185,185 @@ let g:ale_virtualtext_cursor = 'disabled'
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 " => Git gutter (Git diff)
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
-let g:gitgutter_enabled=0
-nnoremap <silent> <leader>d :GitGutterToggle<cr>
+" let g:gitgutter_enabled=0
+" nnoremap <silent> <leader>d :GitGutterToggle<cr>
 
 
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 " => EditorConfig (project-specific EditorConfig rule)
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
-let g:EditorConfig_exclude_patterns = ['fugitive://.*']
+" let g:EditorConfig_exclude_patterns = ['fugitive://.*']
 
 
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 " => Fugitive
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 " Copy the link to the line of a Git repository to the clipboard
-nnoremap <leader>v :.GBrowse!<CR>
-xnoremap <leader>v :GBrowse!<CR>
+" nnoremap <leader>v :.GBrowse!<CR>
+" xnoremap <leader>v :GBrowse!<CR>
+
+"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+" => coc 
+"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+" May need for Vim (not Neovim) since coc.nvim calculates byte offset by count
+" utf-8 byte sequence
+set encoding=utf-8
+" Some servers have issues with backup files, see #649
+set nobackup
+set nowritebackup
+
+" Having longer updatetime (default is 4000 ms = 4s) leads to noticeable
+" delays and poor user experience
+set updatetime=300
+
+" Always show the signcolumn, otherwise it would shift the text each time
+" diagnostics appear/become resolved
+set signcolumn=yes
+
+" Use tab for trigger completion with characters ahead and navigate
+" NOTE: There's always complete item selected by default, you may want to enable
+" no select by `"suggest.noselect": true` in your configuration file
+" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
+" other plugin before putting this into your config
+inoremap <silent><expr> <TAB>
+      \ coc#pum#visible() ? coc#pum#next(1) :
+      \ CheckBackspace() ? "\<Tab>" :
+      \ coc#refresh()
+inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"
+
+" Make <CR> to accept selected completion item or notify coc.nvim to format
+" <C-g>u breaks current undo, please make your own choice
+inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
+                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
+
+function! CheckBackspace() abort
+  let col = col('.') - 1
+  return !col || getline('.')[col - 1]  =~# '\s'
+endfunction
+
+" Use <c-space> to trigger completion
+if has('nvim')
+  inoremap <silent><expr> <c-space> coc#refresh()
+else
+  inoremap <silent><expr> <c-@> coc#refresh()
+endif
+
+" Use `[g` and `]g` to navigate diagnostics
+" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list
+nmap <silent> [g <Plug>(coc-diagnostic-prev)
+nmap <silent> ]g <Plug>(coc-diagnostic-next)
+
+" GoTo code navigation
+nmap <silent> gd <Plug>(coc-definition)
+nmap <silent> gy <Plug>(coc-type-definition)
+nmap <silent> gi <Plug>(coc-implementation)
+nmap <silent> gr <Plug>(coc-references)
+
+" Use K to show documentation in preview window
+nnoremap <silent> K :call ShowDocumentation()<CR>
+
+function! ShowDocumentation()
+  if CocAction('hasProvider', 'hover')
+    call CocActionAsync('doHover')
+  else
+    call feedkeys('K', 'in')
+  endif
+endfunction
+
+" Highlight the symbol and its references when holding the cursor
+autocmd CursorHold * silent call CocActionAsync('highlight')
+
+" Symbol renaming
+nmap <leader>rn <Plug>(coc-rename)
+
+" Formatting selected code
+xmap <leader>f  <Plug>(coc-format-selected)
+nmap <leader>f  <Plug>(coc-format-selected)
+
+augroup mygroup
+  autocmd!
+  " Setup formatexpr specified filetype(s)
+  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
+  " Update signature help on jump placeholder
+  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
+augroup end
+
+" Applying code actions to the selected code block
+" Example: `<leader>aap` for current paragraph
+xmap <leader>a  <Plug>(coc-codeaction-selected)
+nmap <leader>a  <Plug>(coc-codeaction-selected)
+
+" Remap keys for applying code actions at the cursor position
+nmap <leader>ac  <Plug>(coc-codeaction-cursor)
+" Remap keys for apply code actions affect whole buffer
+nmap <leader>as  <Plug>(coc-codeaction-source)
+" Apply the most preferred quickfix action to fix diagnostic on the current line
+nmap <leader>qf  <Plug>(coc-fix-current)
+
+" Remap keys for applying refactor code actions
+nmap <silent> <leader>re <Plug>(coc-codeaction-refactor)
+xmap <silent> <leader>r  <Plug>(coc-codeaction-refactor-selected)
+nmap <silent> <leader>r  <Plug>(coc-codeaction-refactor-selected)
+
+" Run the Code Lens action on the current line
+nmap <leader>cl  <Plug>(coc-codelens-action)
+
+" Map function and class text objects
+" NOTE: Requires 'textDocument.documentSymbol' support from the language server
+xmap if <Plug>(coc-funcobj-i)
+omap if <Plug>(coc-funcobj-i)
+xmap af <Plug>(coc-funcobj-a)
+omap af <Plug>(coc-funcobj-a)
+xmap ic <Plug>(coc-classobj-i)
+omap ic <Plug>(coc-classobj-i)
+xmap ac <Plug>(coc-classobj-a)
+omap ac <Plug>(coc-classobj-a)
+
+" Remap <C-f> and <C-b> to scroll float windows/popups
+if has('nvim-0.4.0') || has('patch-8.2.0750')
+  nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
+  nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
+  inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
+  inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
+  vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
+  vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
+endif
+
+" Use CTRL-S for selections ranges
+" Requires 'textDocument/selectionRange' support of language server
+nmap <silent> <C-s> <Plug>(coc-range-select)
+xmap <silent> <C-s> <Plug>(coc-range-select)
+
+" Add `:Format` command to format current buffer
+command! -nargs=0 Format :call CocActionAsync('format')
+
+" Add `:Fold` command to fold current buffer
+command! -nargs=? Fold :call     CocAction('fold', <f-args>)
+
+" Add `:OR` command for organize imports of the current buffer
+command! -nargs=0 OR   :call     CocActionAsync('runCommand', 'editor.action.organizeImport')
+
+" Add (Neo)Vim's native statusline support
+" NOTE: Please see `:h coc-status` for integrations with external plugins that
+" provide custom statusline: lightline.vim, vim-airline
+set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}
+
+" Mappings for CoCList
+" Show all diagnostics
+nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
+" Manage extensions
+nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
+" Show commands
+nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
+" Find symbol of current document
+nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
+" Search workspace symbols
+nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
+" Do default action for next item
+nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
+" Do default action for previous item
+nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
+" Resume latest coc list
+nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>
+