diff --git a/lua/my_plugins.lua b/lua/my_plugins.lua
index bbe9c72..22160ac 100644
--- a/lua/my_plugins.lua
+++ b/lua/my_plugins.lua
@@ -190,6 +190,14 @@ return require('packer').startup(function()
     'b0o/incline.nvim',
     config = get_setup('incline')
   }
+  use {
+    'ldelossa/litee.nvim',
+    requires = {
+      'ldelossa/litee-calltree.nvim',
+      'ldelossa/litee-symboltree.nvim'
+    },
+    config = get_setup('my_litee')
+  }
   if packer_bootstrap then
     require('packer').sync()
   end
diff --git a/lua/setup/my_command_center.lua b/lua/setup/my_command_center.lua
index 9d8eb91..e2bed7f 100644
--- a/lua/setup/my_command_center.lua
+++ b/lua/setup/my_command_center.lua
@@ -204,6 +204,13 @@ command_center.add({
     description = 'Github open PR in browser',
     cmd = '<CMD>Octo pr browser<CR>',
   },
+  {
+    description = 'Symbols outline',
+    cmd = '<CMD>lua vim.lsp.buf.document_symbol()<CR>',
+    keybindings = {
+        { 'n', '<leader>s', silent_noremap },
+    },
+  },
 })
 
 
diff --git a/lua/setup/my_litee.lua b/lua/setup/my_litee.lua
new file mode 100644
index 0000000..edee230
--- /dev/null
+++ b/lua/setup/my_litee.lua
@@ -0,0 +1,35 @@
+-- configure the litee.nvim library
+require('litee.lib').setup({
+  tree = {
+    icon_set = "codicons"
+  },
+  panel = {
+    orientation = "left",
+    panel_size  = 30
+  }
+})
+-- configure litee-calltree.nvim
+require('litee.calltree').setup({
+  map_resize_keys = false,
+  on_open = 'panel'
+})
+-- configure litee-symboltree.nvim
+require('litee.symboltree').setup({
+  map_resize_keys = false,
+  on_open = 'panel',
+  keymaps = {
+    expand = '<space>',
+    collapse = 'zc',
+    collapse_all = 'zM',
+    jump = '<CR>',
+    jump_split = 's',
+    jump_vsplit = 'v',
+    jump_tab = 't',
+    hover = 'i',
+    details = 'd',
+    close = 'X',
+    close_panel_pop_out = '<Esc>',
+    help = '?',
+    hide = 'H',
+  },
+})