{pkgs, ...}: {
  home.packages = with pkgs; [
    # Nix
    alejandra
    nil

    # Python
    (python3.withPackages
      (ps: with ps; [isort mypy python-lsp-server ipython numpy]))
    ruff
    poetry

    # Fortran
    gfortran
    fortls

    # Rust toolchain
    cargo
    rustc
    rustfmt
    rust-analyzer
    clippy

    # JavaScript / TypeScript
    nodejs
    nodePackages.typescript-language-server
    nodePackages.eslint

    # Shell and misc
    shfmt
    shellcheck
    nodePackages.prettier
  ];
}