return {
  { "nvim-treesitter/nvim-treesitter",
    opts = { ensure_installed = { "nix" } },
  },
  { "neovim/nvim-lspconfig",
    opts = {
      servers = {
        -- nil_ls = {},  -- FIXME: this causes big CPU usage when tried to be installed and eventually just fails
      },
    },
  },
  { "stevearc/conform.nvim",
    opts = {
      formatters_by_ft = {
        nix = { "nixfmt" },
      },
    },
  },
}