return {
  -- overidse dashboard
  {
    "goolord/alpha-nvim",
    opts = {
      dash_model = {
        [[                _      __                __    ]],
        [[    ___ ___    (____  / /__  _______ ___/ ___  ]],
        [[   / _ / _ \  / / _ \/  '_/ / __/ _ / _  / -_) ]],
        [[  / .__\_____/ /\___/_/\_\  \__/\___\_,_/\__/  ]],
        [[ /_/      |___/                                ]],
      },
    },
  },
  -- overide lualine
  {
    "pojokcodeid/auto-lualine.nvim",
    opts = {
      -- for more options check out https://github.com/pojokcodeid/auto-lualine.nvim
      setColor = "auto",
      setOption = "roundedall",
      setMode = 5,
    },
  },
  -- overide formatting
  {
    "pojokcodeid/auto-conform.nvim",
    opts = {
      format_on_save = true,
      format_timeout_ms = 5000,
    },
  },
  -- install treesitter
  {
    "nvim-treesitter/nvim-treesitter",
    opts = function(_, opts)
      vim.list_extend(opts.ensure_installed, { "lua", "c" })
    end,
  },
  -- install mason (lsp, dap, linters, formatters)
  {
    "williamboman/mason.nvim",
    opts = { ensure_installed = { "stylua" } },
  },
  -- overide lsp config
  {
    "williamboman/mason-lspconfig.nvim",
    opts = function(_, opts)
      vim.list_extend(opts.skip_config, { "jdtls" })
      opts.virtual_text = true
    end,
  },
  -- add whichkey mappings
  {
    "folke/which-key.nvim",
    opts = function(_, opts)
      opts.mappings = opts.mappings or {}
      vim.list_extend(opts.mappings, {
        { "<leader>h", "<cmd>nohlsearch<CR>", desc = "󱪿 No Highlight", mode = "n" },
      })
    end,
  },
  -- overide telescope
  {
    "nvim-telescope/telescope.nvim",
    opts = function(_, opts)
      opts.pickers = {
        find_files = {
          hidden = true,
        },
        live_grep = {
          theme = "dropdown",
          only_sort_text = true,
          additional_args = function()
            return { "--multiline" }
          end,
        },
      }
    end,
  },
  -- add code runner
  {
    "CRAG666/code_runner.nvim",
    opts = function(_, opts)
      vim.list_extend(opts.filetype, { go = "go run $fileName" })
    end,
  },
  -- custem nvimtree
  {
    "nvim-tree/nvim-tree.lua",
    opts = function(_, opts)
      -- set nvimtree float view (default left side)
      -- opts.view = {
      -- 	adaptive_size = false,
      -- 	centralize_selection = true,
      -- 	side = "left",
      -- 	preserve_window_proportions = false,
      -- 	number = false,
      -- 	relativenumber = false,
      -- 	signcolumn = "yes",
      -- 	float = {
      -- 		enable = true,
      -- 		open_win_config = function()
      -- 			local screen_w = vim.opt.columns:get()
      -- 			local screen_h = vim.opt.lines:get() - vim.opt.cmdheight:get()
      -- 			local window_w = screen_w * 0.5
      -- 			local window_h = screen_h * 0.9
      -- 			local window_w_int = math.floor(window_w)
      -- 			local window_h_int = math.floor(window_h)
      -- 			local center_x = (screen_w - window_w) / 2
      -- 			local center_y = ((vim.opt.lines:get() - window_h) / 2) - vim.opt.cmdheight:get()
      -- 			return {
      -- 				border = "rounded",
      -- 				relative = "editor",
      -- 				row = center_y,
      -- 				col = center_x,
      -- 				width = window_w_int,
      -- 				height = window_h_int,
      -- 			}
      -- 		end,
      -- 	},
      -- 	width = function()
      -- 		return math.floor(vim.opt.columns:get() * 0.5)
      -- 	end,
      -- }
      return opts
    end,
  },
}