{
  pkgs,
  lib,
  config,
  ...
}: {
  home.packages = [
    # preview markdown
    pkgs.python3Packages.grip

    # For nix contribution
    pkgs.gh
    pkgs.nixfmt-rfc-style
    pkgs.nix-doc
    pkgs.nixpkgs-review
    pkgs.shellcheck

    pkgs.lua-language-server
    pkgs.stylua # lua
    pkgs.nil # nix
    pkgs.fish-lsp # fish
    pkgs.pyright # python
    pkgs.taplo # toml
    pkgs.vscode-langservers-extracted # JSON etc
    pkgs.yaml-language-server # yaml

    # bash
    pkgs.shfmt
    pkgs.nodePackages.bash-language-server
  ];

  programs.git = {
    enable = true;
    signing.signByDefault = true;
    maintenance = {
      enable = true;
      repositories =
        lib.map (path: config.home.homeDirectory + "/${path}")
        [
          "r/nixos/nixpkgs"
        ];
    };
  };

  programs.gpg.enable = true;

  # programs.vscode = {
  #   enable = true;
  #   profiles.default.extensions = [
  #     pkgs.vscode-extensions.redhat.java
  #     pkgs.vscode-extensions.vscjava.vscode-java-pack
  #   ];
  # };

  nix = {
    settings = {
      extra-substituters = [
        "https://ghc-nix.cachix.org"
        "https://haskell-language-server.cachix.org"
        "https://helix.cachix.org"
      ];
      extra-trusted-public-keys = [
        "ghc-nix.cachix.org-1:ziC/I4BPqeA4VbtOFpFpu6D1t6ymFvRWke/lc2+qjcg="
        "haskell-language-server.cachix.org-1:juFfHrwkOxqIOZShtC4YC1uT1bBcq2RSvC7OMKx0Nz8="
        "helix.cachix.org-1:ejp9KQpR1FBI2onstMQ34yogDm4OgU2ru6lIwPvuCVs="
      ];
    };
  };
}