return {
  {
    "mason-org/mason.nvim",
    opts = {
      ui = {
        icons = {
          package_installed = "✓",
          package_pending = "➜",
          package_uninstalled = "✗",
        },
      },
      ensure_installed = {
        -- LSP servers
        "clangd", -- C / C++
        "gopls", -- Go
        "python-lsp-server", -- Python
        "bash-language-server", -- Bash
        "zls", -- Zig
        "lua-language-server", -- Lua
        -- Formatters / Linters
        "stylua", -- Lua formatter
        "shfmt", -- Shell formatter
        "black", -- Python formatter
        "clang-format", -- C/C++ formatter
        "goimports", -- Go formatter
      },
    },
  },
  {
    "hrsh7th/nvim-cmp",
    dependencies = {
      "hrsh7th/cmp-nvim-lsp",
      "hrsh7th/cmp-buffer",
      "hrsh7th/cmp-path",
      "hrsh7th/cmp-nvim-lua",
      "saadparwaiz1/cmp_luasnip",
      "L3MON4D3/LuaSnip",
      "onsails/lspkind.nvim", -- icone carine nel completamento
    },
    opts = function(_, opts)
      local cmp = require("cmp")
      local luasnip = require("luasnip")
      local lspkind = require("lspkind")

      -- Carica snippet
      require("luasnip.loaders.from_vscode").lazy_load()

      opts.snippet = {
        expand = function(args)
          luasnip.lsp_expand(args.body)
        end,
      }

      opts.mapping = vim.tbl_extend("force", opts.mapping, {
        ["<C-Space>"] = cmp.mapping.complete(),
        ["<CR>"] = cmp.mapping.confirm({ select = true }),
        ["<Tab>"] = cmp.mapping(function(fallback)
          if cmp.visible() then
            cmp.select_next_item()
          elseif luasnip.expand_or_jumpable() then
            luasnip.expand_or_jump()
          else
            fallback()
          end
        end, { "i", "s" }),
        ["<S-Tab>"] = cmp.mapping(function(fallback)
          if cmp.visible() then
            cmp.select_prev_item()
          elseif luasnip.jumpable(-1) then
            luasnip.jump(-1)
          else
            fallback()
          end
        end, { "i", "s" }),
      })

      opts.sources = cmp.config.sources({
        { name = "nvim_lsp" },
        { name = "luasnip" },
        { name = "nvim_lua" },
        { name = "buffer" },
        { name = "path" },
      })

      opts.formatting = {
        format = lspkind.cmp_format({
          mode = "symbol_text",
          maxwidth = 50,
          ellipsis_char = "...",
        }),
      }

      return opts
    end,
  },
}