return {

    -- Fuzzy finder.
    {
        "nvim-telescope/telescope.nvim",
        cmd = "Telescope",
        version = false, -- telescope did only one release, so use HEAD for now
        dependencies = {
            "nvim-telescope/telescope-fzf-native.nvim",
            "nvim-telescope/telescope-file-browser.nvim",
        },
        keys = {
            { "<C-n>",     "<cmd>Telescope file_browser<cr>",                  desc = "File browser" },
            { "<leader>e", "<cmd>Telescope find_files<cr>",                    desc = "Find file" },
            { "<leader>b", "<cmd>Telescope buffers show_all_buffers=true<cr>", desc = "Switch Buffer" },
            { "<leader>f", "<cmd>Telescope live_grep<cr>",                     desc = "Switch Buffer" },
            { "<leader>h", "<cmd>Telescope help_tags<cr>",                     desc = "Search help tags" },
            { "z=",        "<cmd>Telescope spell_suggest<cr>",                 desc = "Spell options" },
        },
        opts = function()
            local actions = require("telescope.actions")

            local open_with_trouble = function(...)
                return require("trouble.providers.telescope").open_with_trouble(...)
            end
            local open_selected_with_trouble = function(...)
                return require("trouble.providers.telescope").open_selected_with_trouble(...)
            end

            return {
                defaults = {
                    prompt_prefix = " ",
                    selection_caret = " ",
                    layout_config = { horizontal = { preview_width = 0.5 } },
                    file_ignore_patterns = { 'node_modules/.*' },
                    extensions = {
                        fzf = {
                            fuzzy = true,                   -- false will only do exact matching
                            override_generic_sorter = true, -- override the generic sorter
                            override_file_sorter = true,    -- override the file sorter
                            case_mode = "smart_case",       -- or "ignore_case" or "respect_case"
                        }
                    },
                    mappings = {
                        i = {
                            ["<c-t>"] = open_with_trouble,
                            ["<a-t>"] = open_selected_with_trouble,
                            ["<C-Down>"] = actions.cycle_history_next,
                            ["<C-Up>"] = actions.cycle_history_prev,
                            ["<C-f>"] = actions.preview_scrolling_down,
                            ["<C-b>"] = actions.preview_scrolling_up,
                        },
                        n = {
                            ["q"] = actions.close,
                        },
                    },
                },
            }
        end,
    },

  -- add telescope-fzf-native
  {
    "telescope.nvim",
    dependencies = {
      "nvim-telescope/telescope-fzf-native.nvim",
      build = "gmake",
      config = function()
        require("telescope").load_extension("fzf")
      end,
    },
  },

    -- which-key helps you remember key bindings by showing a popup
    -- with the active keybindings of the command you started typing.
    {
        "folke/which-key.nvim",
        event = "VeryLazy",
        opts = {
            plugins = { spelling = true },
            defaults = {
                mode = { "n", "v" },
                ["g"] = { name = "+goto" },
                ["gs"] = { name = "+surround" },
                ["]"] = { name = "+next" },
                ["["] = { name = "+prev" },
                ["<leader><tab>"] = { name = "+tabs" },
                ["<leader>b"] = { name = "+buffer" },
                ["<leader>c"] = { name = "+code" },
                ["<leader>f"] = { name = "+file/find" },
                ["<leader>g"] = { name = "+git" },
                ["<leader>gh"] = { name = "+hunks" },
                ["<leader>q"] = { name = "+quit/session" },
                ["<leader>s"] = { name = "+search" },
                ["<leader>u"] = { name = "+ui" },
                ["<leader>w"] = { name = "+windows" },
                ["<leader>x"] = { name = "+diagnostics/quickfix" },
            },
        },
        config = function(_, opts)
            local wk = require("which-key")
            wk.setup(opts)
            wk.register(opts.defaults)
        end,
    },

    -- git signs highlights text that has changed since the list
    -- git commit, and also lets you interactively stage & unstage
    -- hunks in a commit.
    {
        "lewis6991/gitsigns.nvim",
        opts = {
            signs = {
                add = { text = "▎" },
                change = { text = "▎" },
                delete = { text = "" },
                topdelete = { text = "" },
                changedelete = { text = "▎" },
                untracked = { text = "▎" },
            },
            on_attach = function(buffer)
                local gs = package.loaded.gitsigns

                local function map(mode, l, r, desc)
                    vim.keymap.set(mode, l, r, { buffer = buffer, desc = desc })
                end

                -- stylua: ignore start
                map("n", "]h", gs.next_hunk, "Next Hunk")
                map("n", "[h", gs.prev_hunk, "Prev Hunk")
                map({ "n", "v" }, "<leader>ghs", ":Gitsigns stage_hunk<CR>", "Stage Hunk")
                map({ "n", "v" }, "<leader>ghr", ":Gitsigns reset_hunk<CR>", "Reset Hunk")
                map("n", "<leader>ghS", gs.stage_buffer, "Stage Buffer")
                map("n", "<leader>ghu", gs.undo_stage_hunk, "Undo Stage Hunk")
                map("n", "<leader>ghR", gs.reset_buffer, "Reset Buffer")
                map("n", "<leader>ghp", gs.preview_hunk, "Preview Hunk")
                map("n", "<leader>ghb", function() gs.blame_line({ full = true }) end, "Blame Line")
                map("n", "<leader>ghd", gs.diffthis, "Diff This")
                map("n", "<leader>ghD", function() gs.diffthis("~") end, "Diff This ~")
                map({ "o", "x" }, "ih", ":<C-U>Gitsigns select_hunk<CR>", "GitSigns Select Hunk")
            end,
        },
    },

    -- Automatically highlights other instances of the word under your cursor.
    -- This works with LSP, Treesitter, and regexp matching to find the other
    -- instances.
    {
        "RRethy/vim-illuminate",
        opts = {
            delay = 200,
            large_file_cutoff = 2000,
            large_file_overrides = {
                providers = { "lsp" },
            },
        },
        config = function(_, opts)
            require("illuminate").configure(opts)

            local function map(key, dir, buffer)
                vim.keymap.set("n", key, function()
                    require("illuminate")["goto_" .. dir .. "_reference"](false)
                end, { desc = dir:sub(1, 1):upper() .. dir:sub(2) .. " Reference", buffer = buffer })
            end

            map("]]", "next")
            map("[[", "prev")

            -- also set it after loading ftplugins, since a lot overwrite [[ and ]]
            vim.api.nvim_create_autocmd("FileType", {
                callback = function()
                    local buffer = vim.api.nvim_get_current_buf()
                    map("]]", "next", buffer)
                    map("[[", "prev", buffer)
                end,
            })
        end,
        keys = {
            { "]]", desc = "Next Reference" },
            { "[[", desc = "Prev Reference" },
        },
    },

    -- buffer remove
    {
        "echasnovski/mini.bufremove",

        keys = {
            {
                "<leader>bd",
                function()
                    local bd = require("mini.bufremove").delete
                    if vim.bo.modified then
                        local choice = vim.fn.confirm(("Save changes to %q?"):format(vim.fn.bufname()),
                            "&Yes\n&No\n&Cancel")
                        if choice == 1 then -- Yes
                            vim.cmd.write()
                            bd(0)
                        elseif choice == 2 then -- No
                            bd(0, true)
                        end
                    else
                        bd(0)
                    end
                end,
                desc = "Delete Buffer",
            },
            -- stylua: ignore
            { "<leader>bD", function() require("mini.bufremove").delete(0, true) end, desc = "Delete Buffer (Force)" },
        },
    },

    -- better diagnostics list and others
    {
        "folke/trouble.nvim",
        cmd = { "TroubleToggle", "Trouble" },
        opts = { use_diagnostic_signs = true },
        keys = {
            { "<leader>xx", "<cmd>TroubleToggle document_diagnostics<cr>",  desc = "Document Diagnostics (Trouble)" },
            { "<leader>xX", "<cmd>TroubleToggle workspace_diagnostics<cr>", desc = "Workspace Diagnostics (Trouble)" },
            { "<leader>xL", "<cmd>TroubleToggle loclist<cr>",               desc = "Location List (Trouble)" },
            { "<leader>xQ", "<cmd>TroubleToggle quickfix<cr>",              desc = "Quickfix List (Trouble)" },
            {
                "[q",
                function()
                    if require("trouble").is_open() then
                        require("trouble").previous({ skip_groups = true, jump = true })
                    else
                        local ok, err = pcall(vim.cmd.cprev)
                        if not ok then
                            vim.notify(err, vim.log.levels.ERROR)
                        end
                    end
                end,
                desc = "Previous trouble/quickfix item",
            },
            {
                "]q",
                function()
                    if require("trouble").is_open() then
                        require("trouble").next({ skip_groups = true, jump = true })
                    else
                        local ok, err = pcall(vim.cmd.cnext)
                        if not ok then
                            vim.notify(err, vim.log.levels.ERROR)
                        end
                    end
                end,
                desc = "Next trouble/quickfix item",
            },
        },
    },

    -- Finds and lists all of the TODO, HACK, BUG, etc comment
    -- in your project and loads them into a browsable list.
    {
        "folke/todo-comments.nvim",
        cmd = { "TodoTrouble", "TodoTelescope" },
        config = true,
        -- stylua: ignore
        keys = {
            { "]t",         function() require("todo-comments").jump_next() end, desc = "Next todo comment" },
            { "[t",         function() require("todo-comments").jump_prev() end, desc = "Previous todo comment" },
            { "<leader>xt", "<cmd>TodoTrouble<cr>",                              desc = "Todo (Trouble)" },
            { "<leader>xT", "<cmd>TodoTrouble keywords=TODO,FIX,FIXME<cr>",      desc = "Todo/Fix/Fixme (Trouble)" },
            { "<leader>st", "<cmd>TodoTelescope<cr>",                            desc = "Todo" },
            { "<leader>sT", "<cmd>TodoTelescope keywords=TODO,FIX,FIXME<cr>",    desc = "Todo/Fix/Fixme" },
        },
    },
}