{
  mkShell,
  beam,
  pkgs,
  lib,
  stdenv,
  darwin,
  livebook,
}:
{
  livebook = pkgs.mkShell {
    packages = [
      livebook
    ];

    LIVEBOOK_TOKEN_ENABLED = "false";
  };

  erlang =
    with beam.packages.erlang;
    mkShell {
      packages = [
        erlang
        rebar3
      ];
    };

  elixir =
    with beam.packages.erlang;
    mkShell {
      packages = [
        elixir_1_19
      ];
    };

  rust = mkShell {
    packages = [
      pkgs.cargo
      pkgs.rustc
      pkgs.rust-analyzer
      pkgs.clippy
      pkgs.cargo-nextest
      pkgs.cargo-outdated
    ];
  };
}