diff --git a/users/home-manager/foo-dogsquared/default.nix b/users/home-manager/foo-dogsquared/default.nix
index ba035615..93530de7 100644
--- a/users/home-manager/foo-dogsquared/default.nix
+++ b/users/home-manager/foo-dogsquared/default.nix
@@ -5,13 +5,23 @@ let
   getDotfiles = path: "${dotfilesAsStorePath}/${path}";
 in
 {
-  imports = [
-    ./modules/browser.nix
-    ./modules/email.nix
-    ./modules/keys.nix
-    ./modules/git.nix
-    ./modules/music.nix
-  ];
+  imports = [ ./modules ];
+
+  # All of the home-manager-user-specific setup are here.
+  users.foo-dogsquared = {
+    music.enable = true;
+
+    programs = {
+      browsers.brave.enable = true;
+      browsers.firefox.enable = true;
+      browsers.misc.enable = true;
+      email.enable = true;
+      email.thunderbird.enable = true;
+      git.enable = true;
+      keys.gpg.enable = true;
+      keys.ssh.enable = true;
+    };
+  };
 
   # The keyfile required to decrypt the secrets.
   sops.age.keyFile = "${config.xdg.configHome}/age/user";
diff --git a/users/home-manager/foo-dogsquared/modules/default.nix b/users/home-manager/foo-dogsquared/modules/default.nix
new file mode 100644
index 00000000..238badc0
--- /dev/null
+++ b/users/home-manager/foo-dogsquared/modules/default.nix
@@ -0,0 +1,11 @@
+# Only optional modules should be imported here.
+{
+  imports = [
+    ./music-setup.nix
+
+    ./programs/browsers.nix
+    ./programs/email.nix
+    ./programs/git.nix
+    ./programs/keys.nix
+  ];
+}
diff --git a/users/home-manager/foo-dogsquared/modules/email.nix b/users/home-manager/foo-dogsquared/modules/email.nix
deleted file mode 100644
index 602b5a6e..00000000
--- a/users/home-manager/foo-dogsquared/modules/email.nix
+++ /dev/null
@@ -1,138 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-{
-  accounts.email.accounts = {
-    # TODO: Enable offlineimap once maildir support is stable in Thunderbird.
-    personal = {
-      address = "foodogsquared@foodogsquared.one";
-      aliases = [
-        "admin@foodogsquared.one"
-        "webmaster@foodogsquared.one"
-        "hostmaster@foodogsquared.one"
-        "postmaster@foodogsquared.one"
-      ];
-      primary = true;
-      realName = "Gabriel Arazas";
-      userName = "foodogsquared@mailbox.org";
-      signature = {
-        delimiter = "--<----<---->---->--";
-        text = ''
-          foodogsquared at foodogsquared dot one
-        '';
-      };
-      passwordCommand = "gopass show personal/websites/mailbox.org/foodogsquared@mailbox.org | head -n 1";
-
-      # Set up the ingoing mails.
-      imap = {
-        host = "imap.mailbox.org";
-        port = 993;
-        tls.enable = true;
-      };
-
-      # Set up the outgoing mails.
-      smtp = {
-        host = "smtp.mailbox.org";
-        port = 465;
-        tls.enable = true;
-      };
-
-      # GPG settings... wablamo.
-      gpg = {
-        key = "0xADE0C41DAB221FCC";
-        encryptByDefault = false;
-        signByDefault = false;
-      };
-    };
-
-    old_personal = {
-      address = "foo.dogsquared@gmail.com";
-      realName = config.accounts.email.accounts.personal.realName;
-      userName = "foo.dogsquared@gmail.com";
-      flavor = "gmail.com";
-      passwordCommand = "gopass show personal/websites/accounts.google.com/foo.dogsquared | head -n 1";
-    };
-  };
-
-  programs.thunderbird = {
-    enable = true;
-    profiles.personal = {
-      isDefault = true;
-      settings = {
-        "mail.identity.default.archive_enabled" = true;
-        "mail.identity.default.archive_keep_folder_structure" = true;
-        "mail.identity.default.compose_html" = false;
-        "mail.identity.default.protectSubject" = true;
-        "mail.identity.default.reply_on_top" = 1;
-        "mail.identity.default.sig_on_reply" = true;
-
-        "mail.server.default.canDelete" = true;
-      };
-    };
-
-    settings = {
-      # Some general settings.
-      "mail.server.default.allow_utf8_accept" = true;
-      "mail.server.default.max_articles" = 1000;
-      "mail.server.default.check_all_folders_for_new" = true;
-      "mail.show_headers" = 1;
-
-      # Show some metadata.
-      "mailnews.headers.showMessageId" = true;
-      "mailnews.headers.showOrganization" = true;
-      "mailnews.headers.showReferences" = true;
-      "mailnews.headers.showUserAgent" = true;
-
-      # Sort mails and news in descending order.
-      "mailnews.default_sort_order" = 2;
-      "mailnews.default_news_sort_order" = 2;
-
-      # Sort mails and news by date.
-      "mailnews.default_sort_type" = 18;
-      "mailnews.default_news_sort_type" = 18;
-
-      # Sort them by the newest reply in thread.
-      "mailnews.sort_threads_by_root" = true;
-
-      # Show time. :)
-      "mail.ui.display.dateformat.default" = 1;
-
-      # Sanitize it to UTC to prevent leaking local time.
-      "mail.sanitize_date_header" = true;
-
-      # Trust positives from server spam filter.
-      "mail.server.default.serverFilterName" = "SpamAssassin";
-      "mail.server.default.serverFilterFlags" = 1;
-
-      # Email composing QoL.
-      "mail.identity.default.auto_quote" = true;
-      "mail.identity.default.attachPgpKey" = true;
-
-      # RSS feeds options.
-      "rss.max_concurrent_feeds" = 30;
-      "rss.disable_feeds_on_update_failure" = false;
-
-      # Open web page on default browser on select.
-      "rss.message.loadWebPageOnSelect" = 0;
-
-      # Load the summary on display.
-      "rss.show.summary" = 1;
-
-      # Open the web page on new window.
-      "rss.show.content-base" = 0;
-
-      # Don't tease me with the updates, man.
-      "app.update.auto" = false;
-
-      "privacy.donottrackheader.enabled" = true;
-    };
-  };
-
-  services.bleachbit.cleaners = [
-    "thunderbird.cache"
-    "thunderbird.cookies"
-    "thunderbird.index"
-    "thunderbird.passwords"
-    "thunderbird.sessionjson"
-    "thunderbird.vacuum"
-  ];
-}
diff --git a/users/home-manager/foo-dogsquared/modules/git.nix b/users/home-manager/foo-dogsquared/modules/git.nix
deleted file mode 100644
index 728f2553..00000000
--- a/users/home-manager/foo-dogsquared/modules/git.nix
+++ /dev/null
@@ -1,68 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-{
-  home.packages = with pkgs; [
-    tea # So you don't have to see some teas, I guess.
-    hut # So you don't have to see Sourcehut's brutalist design, I guess.
-  ];
-
-  # My Git credentials.
-  programs.git = {
-    enable = true;
-    package = pkgs.gitFull;
-    lfs.enable = true;
-    signing.key = "ADE0C41DAB221FCC";
-    extraConfig = {
-      user = {
-        name = config.accounts.email.accounts.personal.realName;
-        email = config.accounts.email.accounts.personal.address;
-      };
-
-      alias = {
-        unstage = "reset HEAD --";
-        quick-rebase = "rebase --interactive --autostash --committer-date-is-author-date";
-        quick-clone = "clone --depth=1 --recurse-submodules --shallow-submodules";
-      };
-
-      init.defaultBranch = "main";
-
-      # Shorthand for popular forges ala-Nix flake URL inputs. It's just a fun
-      # little part of the config.
-      url = {
-        "https://github.com/".insteadOf = [ "gh:" "github:" ];
-        "https://gitlab.com/".insteadOf = [ "gl:" "gitlab:" ];
-        "https://gitlab.gnome.org/".insteadOf = [ "gnome:" ];
-        "https://invent.kde.org/".insteadOf = [ "kde:" ];
-        "https://git.sr.ht/".insteadOf = [ "sh:" "sourcehut:" ];
-        "https://git.savannah.nongnu.org/git/".insteadOf = [ "sv:" "savannah:" ];
-      };
-
-      status = {
-        showPatch = true;
-        showStash = true;
-      };
-
-      submodule.fetchJobs = 0;
-    };
-  };
-
-  # My GitHub CLI setup.
-  programs.gh = {
-    enable = true;
-    extensions = with pkgs; [
-      gh-eco
-      gh-dash
-      gh-actions-cache
-    ];
-
-    settings = {
-      git_protocol = "ssh";
-      prompt = "enabled";
-
-      aliases = {
-        pc = "pr checkout";
-        pv = "pr view";
-      };
-    };
-  };
-}
diff --git a/users/home-manager/foo-dogsquared/modules/keys.nix b/users/home-manager/foo-dogsquared/modules/keys.nix
deleted file mode 100644
index cc7584e8..00000000
--- a/users/home-manager/foo-dogsquared/modules/keys.nix
+++ /dev/null
@@ -1,46 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-{
-  # My SSH client configuration. It is encouraged to keep matches and extra
-  # configurations included in a separate `config.d/` directory. This enables
-  # it to easily backup the certain files which is most likely what we're
-  # mostly configuring anyways.
-  programs.ssh = {
-    enable = true;
-    includes = [ "config.d/*" ];
-    extraConfig = ''
-      AddKeysToAgent confirm 15m
-      ForwardAgent no
-      VisualHostKey yes
-    '';
-  };
-
-  # Make all of the initial SSH identities configuration here. It should assume
-  # I have other SSH identities configuration that are not committed here for
-  # whatever reason.
-  home.file.".ssh/config.d" = {
-    source = ../config/ssh;
-    recursive = true;
-  };
-
-  # My GPG client. It has to make sure the keys are not generated and has to be
-  # backed up somewhere.
-  #
-  # If you want to know how to manage GPG PROPERLY for the nth time, read the
-  # following document:
-  # https://alexcabal.com/creating-the-perfect-gpg-keypair
-  programs.gpg = {
-    enable = true;
-
-    # This is just made to be a starting point, per se.
-    mutableKeys = true;
-    mutableTrust = true;
-
-    settings = {
-      default-key = "0xADE0C41DAB221FCC";
-      keyid-format = "0xlong";
-      with-fingerprint = true;
-      no-comments = false;
-    };
-  };
-}
diff --git a/users/home-manager/foo-dogsquared/modules/music-setup.nix b/users/home-manager/foo-dogsquared/modules/music-setup.nix
new file mode 100644
index 00000000..0fb8d79d
--- /dev/null
+++ b/users/home-manager/foo-dogsquared/modules/music-setup.nix
@@ -0,0 +1,152 @@
+{ config, lib, pkgs, ... }:
+
+let
+  userCfg = config.users.foo-dogsquared;
+  cfg = userCfg.music;
+
+  ytdlpAudio = pkgs.writeScriptBin "yt-dlp-audio" ''
+    ${pkgs.yt-dlp}/bin/yt-dlp --config-location "${../config/yt-dlp-audio.conf}" $@
+  '';
+
+  musicDir = config.xdg.userDirs.music;
+  playlistsDir = "${musicDir}/playlists";
+in
+{
+  options.users.foo-dogsquared.music = {
+    enable = lib.mkEnableOption "foo-dogsquared's music setup";
+    mpd.enable = lib.mkEnableOption "foo-dogsquared's MPD server setup";
+  };
+
+  config = lib.mkIf cfg.enable (lib.mkMerge [
+    {
+      home.packages = with pkgs; [
+        songrec # SHAZAM!
+        ytdlpAudio # My custom script for downloading music with yt-dlp.
+        picard # Graphical beets.
+      ];
+
+      # Enable the desktop audio profile for extra auditorial goodies.
+      profiles.desktop.audio.enable = true;
+
+      # My music player setup, completely configured with Nix!
+      programs.beets = {
+        enable = true;
+        settings = {
+          library = "${musicDir}/library.db";
+          plugins = [
+            "acousticbrainz"
+            "chroma"
+            "edit"
+            "export"
+            "fetchart"
+            "fromfilename"
+            "fuzzy"
+            "mbsync"
+            "playlist"
+            "scrub"
+            "smartplaylist"
+          ];
+          ignore_hidden = true;
+          directory = musicDir;
+          ui.color = true;
+
+          import = {
+            move = true;
+            link = false;
+            resume = true;
+            incremental = true;
+            group_albums = true;
+            log = "beets.log";
+          };
+
+          match.ignore_video_tracks = true;
+
+          # Plugins configuration.
+          fuzzy.prefix = "-";
+          scrub.auto = true;
+          smartplaylist = {
+            relative_to = musicDir;
+            playlist_dir = playlistsDir;
+            playlists = [
+              {
+                name = "all.m3u8";
+                query = "";
+              }
+              {
+                name = "released-in-$year.m3u8";
+                query = "year:2000..2023";
+              }
+            ];
+          };
+        };
+      };
+
+      # Add more cleaners.
+      services.bleachbit.cleaners = [
+        "audacious.log"
+        "audacious.cache"
+        "audacious.mru"
+        "vlc.memory_dump"
+        "vlc.mru"
+      ];
+    }
+
+    (lib.mkIf cfg.mpd.enable {
+      services.mopidy = {
+        enable = true;
+        extensionPackages = with pkgs; [
+          mopidy-funkwhale
+          mopidy-internetarchive
+          mopidy-iris
+          mopidy-local
+          mopidy-mpd
+          mopidy-mpris
+          mopidy-youtube
+        ];
+
+        settings = {
+          http = {
+            hostname = "127.0.0.1";
+            port = 6680;
+            default_app = "iris";
+          };
+
+          file = {
+            enabled = true;
+            media_dirs = [
+              "$XDG_MUSIC_DIR|Music"
+              "~/library/music|Library"
+            ];
+          };
+
+          internetarchive = {
+            enabled = true;
+            browse_limit = 150;
+            search_limit = 150;
+            collections = [
+              "fav-foo-dogsquared"
+              "audio"
+              "etree"
+              "audio_music"
+              "audio_foreign"
+            ];
+          };
+
+          m3u = {
+            enabled = true;
+            base_dir = musicDir;
+            playlists_dir = playlistsDir;
+            default_encoding = "utf-8";
+            default_extension = ".m3u8";
+          };
+        };
+      };
+
+      # Configure a MPD client.
+      programs.ncmpcpp = {
+        enable = true;
+        mpdMusicDir = musicDir;
+      };
+    })
+  ]);
+}
diff --git a/users/home-manager/foo-dogsquared/modules/music.nix b/users/home-manager/foo-dogsquared/modules/music.nix
deleted file mode 100644
index 77b6b0b1..00000000
--- a/users/home-manager/foo-dogsquared/modules/music.nix
+++ /dev/null
@@ -1,138 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-let
-  ytdlpAudio = pkgs.writeScriptBin "yt-dlp-audio" ''
-    ${pkgs.yt-dlp}/bin/yt-dlp --config-location "${../config/yt-dlp-audio.conf}" $@
-  '';
-
-  musicDir = config.xdg.userDirs.music;
-  playlistsDir = "${musicDir}/playlists";
-in
-{
-  home.packages = with pkgs; [
-    songrec # SHAZAM!
-    ytdlpAudio # My custom script for downloading music with yt-dlp.
-    picard # Graphical beets.
-  ];
-
-  # Enable the desktop audio profile for extra auditorial goodies.
-  profiles.desktop.audio.enable = true;
-
-  # My music player setup, completely configured with Nix!
-  programs.beets = {
-    enable = true;
-    settings = {
-      library = "${musicDir}/library.db";
-      plugins = [
-        "acousticbrainz"
-        "chroma"
-        "edit"
-        "export"
-        "fetchart"
-        "fromfilename"
-        "fuzzy"
-        "mbsync"
-        "playlist"
-        "scrub"
-        "smartplaylist"
-      ];
-      ignore_hidden = true;
-      directory = musicDir;
-      ui.color = true;
-
-      import = {
-        move = true;
-        link = false;
-        resume = true;
-        incremental = true;
-        group_albums = true;
-        log = "beets.log";
-      };
-
-      match.ignore_video_tracks = true;
-
-      # Plugins configuration.
-      fuzzy.prefix = "-";
-      scrub.auto = true;
-      smartplaylist = {
-        relative_to = musicDir;
-        playlist_dir = playlistsDir;
-        playlists = [
-          {
-            name = "all.m3u8";
-            query = "";
-          }
-          {
-            name = "released-in-$year.m3u8";
-            query = "year:2000..2023";
-          }
-        ];
-      };
-    };
-  };
-
-  services.mopidy = {
-    enable = true;
-    extensionPackages = with pkgs; [
-      mopidy-funkwhale
-      mopidy-internetarchive
-      mopidy-iris
-      mopidy-local
-      mopidy-mpd
-      mopidy-mpris
-      mopidy-youtube
-    ];
-
-    settings = {
-      http = {
-        hostname = "127.0.0.1";
-        port = 6680;
-        default_app = "iris";
-      };
-
-      file = {
-        enabled = true;
-        media_dirs = [
-          "$XDG_MUSIC_DIR|Music"
-          "~/library/music|Library"
-        ];
-      };
-
-      internetarchive = {
-        enabled = true;
-        browse_limit = 150;
-        search_limit = 150;
-        collections = [
-          "fav-foo-dogsquared"
-          "audio"
-          "etree"
-          "audio_music"
-          "audio_foreign"
-        ];
-      };
-
-      m3u = {
-        enabled = true;
-        base_dir = musicDir;
-        playlists_dir = playlistsDir;
-        default_encoding = "utf-8";
-        default_extension = ".m3u8";
-      };
-    };
-  };
-
-  # Configure a MPD client.
-  programs.ncmpcpp = {
-    enable = true;
-    mpdMusicDir = musicDir;
-  };
-
-  # Add more cleaners.
-  services.bleachbit.cleaners = [
-    "audacious.log"
-    "audacious.cache"
-    "audacious.mru"
-    "vlc.memory_dump"
-    "vlc.mru"
-  ];
-}
diff --git a/users/home-manager/foo-dogsquared/modules/browser.nix b/users/home-manager/foo-dogsquared/modules/programs/browsers.nix
similarity index 89%
rename from users/home-manager/foo-dogsquared/modules/browser.nix
rename to users/home-manager/foo-dogsquared/modules/programs/browsers.nix
index f06a57d7..91c3fe87 100644
--- a/users/home-manager/foo-dogsquared/modules/browser.nix
+++ b/users/home-manager/foo-dogsquared/modules/programs/browsers.nix
@@ -1,15 +1,20 @@
 # WHOA! Even browsers with extensions can be declarative!
 { config, lib, pkgs, ... }@attrs:
 
+let
+  userCfg = config.users.foo-dogsquared;
+  cfg = userCfg.programs.browsers;
+in
 {
-  config = lib.mkMerge [
-    {
-      home.packages = with pkgs; [
-        google-chrome
-        nyxt
-      ];
+  options.users.foo-dogsquared.programs.browsers = {
+    firefox.enable = lib.mkEnableOption "foo-dogsquared's Firefox setup";
+    brave.enable = lib.mkEnableOption "foo-dogsquared's Brave setup";
+    misc.enable = lib.mkEnableOption "foo-dogsquared's miscellaneous browsers setup";
+  };
 
-      # The only browser to give me money.
+  config = lib.mkMerge [
+    # The only browser to give me money.
+    (lib.mkIf cfg.brave.enable {
       programs.brave = {
         enable = true;
         commandLineArgs = [
@@ -33,10 +38,10 @@
           { id = "nglaklhklhcoonedhgnpgddginnjdadi"; } # ActivityWatch Web Watcher
         ];
       };
-    }
+    })
 
+    # Despite the name, it isn't a browser for furries.
     (lib.mkIf (attrs ? osConfig -> !attrs.osConfig.programs.firefox.enable) {
-      # Despite the name, it isn't a browser for furries.
       programs.firefox = {
         enable = true;
 
@@ -175,7 +180,15 @@
       };
 
       # Configuring Tridactyl.
-      xdg.configFile.tridactyl.source = ../config/tridactyl;
+      xdg.configFile.tridactyl.source = ../../config/tridactyl;
+    })
+
+    # Goes with whatever you want to.
+    (lib.mkIf cfg.misc.enable {
+      home.packages = with pkgs; [
+        google-chrome
+        nyxt
+      ];
     })
   ];
 }
diff --git a/users/home-manager/foo-dogsquared/modules/programs/email.nix b/users/home-manager/foo-dogsquared/modules/programs/email.nix
new file mode 100644
index 00000000..9d0a6f0e
--- /dev/null
+++ b/users/home-manager/foo-dogsquared/modules/programs/email.nix
@@ -0,0 +1,153 @@
+{ config, lib, pkgs, ... }:
+
+let
+  userCfg = config.users.foo-dogsquared;
+  cfg = userCfg.programs.email;
+in
+{
+  options.users.foo-dogsquared.programs.email = {
+    enable = lib.mkEnableOption "foo-dogsquared's email setup";
+    thunderbird.enable = lib.mkEnableOption "foo-dogsquared's Thunderbird configuration";
+  };
+
+  config = lib.mkIf cfg.enable (lib.mkMerge [
+    {
+      accounts.email.accounts = {
+        # TODO: Enable offlineimap once maildir support is stable in Thunderbird.
+        personal = {
+          address = "foodogsquared@foodogsquared.one";
+          aliases = [
+            "admin@foodogsquared.one"
+            "webmaster@foodogsquared.one"
+            "hostmaster@foodogsquared.one"
+            "postmaster@foodogsquared.one"
+          ];
+          primary = true;
+          realName = "Gabriel Arazas";
+          userName = "foodogsquared@mailbox.org";
+          signature = {
+            delimiter = "--<----<---->---->--";
+            text = ''
+              foodogsquared at foodogsquared dot one
+            '';
+          };
+          passwordCommand = "gopass show personal/websites/mailbox.org/foodogsquared@mailbox.org | head -n 1";
+
+          # Set up the ingoing mails.
+          imap = {
+            host = "imap.mailbox.org";
+            port = 993;
+            tls.enable = true;
+          };
+
+          # Set up the outgoing mails.
+          smtp = {
+            host = "smtp.mailbox.org";
+            port = 465;
+            tls.enable = true;
+          };
+
+          # GPG settings... wablamo.
+          gpg = {
+            key = "0xADE0C41DAB221FCC";
+            encryptByDefault = false;
+            signByDefault = false;
+          };
+        };
+
+        old_personal = {
+          address = "foo.dogsquared@gmail.com";
+          realName = config.accounts.email.accounts.personal.realName;
+          userName = "foo.dogsquared@gmail.com";
+          flavor = "gmail.com";
+          passwordCommand = "gopass show personal/websites/accounts.google.com/foo.dogsquared | head -n 1";
+        };
+      };
+    }
+
+    (lib.mkIf cfg.thunderbird.enable {
+      programs.thunderbird = {
+        enable = true;
+        profiles.personal = {
+          isDefault = true;
+          settings = {
+            "mail.identity.default.archive_enabled" = true;
+            "mail.identity.default.archive_keep_folder_structure" = true;
+            "mail.identity.default.compose_html" = false;
+            "mail.identity.default.protectSubject" = true;
+            "mail.identity.default.reply_on_top" = 1;
+            "mail.identity.default.sig_on_reply" = true;
+
+            "mail.server.default.canDelete" = true;
+          };
+        };
+
+        settings = {
+          # Some general settings.
+          "mail.server.default.allow_utf8_accept" = true;
+          "mail.server.default.max_articles" = 1000;
+          "mail.server.default.check_all_folders_for_new" = true;
+          "mail.show_headers" = 1;
+
+          # Show some metadata.
+          "mailnews.headers.showMessageId" = true;
+          "mailnews.headers.showOrganization" = true;
+          "mailnews.headers.showReferences" = true;
+          "mailnews.headers.showUserAgent" = true;
+
+          # Sort mails and news in descending order.
+          "mailnews.default_sort_order" = 2;
+          "mailnews.default_news_sort_order" = 2;
+
+          # Sort mails and news by date.
+          "mailnews.default_sort_type" = 18;
+          "mailnews.default_news_sort_type" = 18;
+
+          # Sort them by the newest reply in thread.
+          "mailnews.sort_threads_by_root" = true;
+
+          # Show time. :)
+          "mail.ui.display.dateformat.default" = 1;
+
+          # Sanitize it to UTC to prevent leaking local time.
+          "mail.sanitize_date_header" = true;
+
+          # Trust positives from server spam filter.
+          "mail.server.default.serverFilterName" = "SpamAssassin";
+          "mail.server.default.serverFilterFlags" = 1;
+
+          # Email composing QoL.
+          "mail.identity.default.auto_quote" = true;
+          "mail.identity.default.attachPgpKey" = true;
+
+          # RSS feeds options.
+          "rss.max_concurrent_feeds" = 30;
+          "rss.disable_feeds_on_update_failure" = false;
+
+          # Open web page on default browser on select.
+          "rss.message.loadWebPageOnSelect" = 0;
+
+          # Load the summary on display.
+          "rss.show.summary" = 1;
+
+          # Open the web page on new window.
+          "rss.show.content-base" = 0;
+
+          # Don't tease me with the updates, man.
+          "app.update.auto" = false;
+
+          "privacy.donottrackheader.enabled" = true;
+        };
+      };
+
+      services.bleachbit.cleaners = [
+        "thunderbird.cache"
+        "thunderbird.cookies"
+        "thunderbird.index"
+        "thunderbird.passwords"
+        "thunderbird.sessionjson"
+        "thunderbird.vacuum"
+      ];
+    })
+  ]);
+}
diff --git a/users/home-manager/foo-dogsquared/modules/programs/git.nix b/users/home-manager/foo-dogsquared/modules/programs/git.nix
new file mode 100644
index 00000000..a90e84f8
--- /dev/null
+++ b/users/home-manager/foo-dogsquared/modules/programs/git.nix
@@ -0,0 +1,76 @@
+{ config, lib, pkgs, ... }:
+
+let
+  userCfg = config.users.foo-dogsquared;
+  cfg = userCfg.programs.git;
+in
+{
+  options.users.foo-dogsquared.programs.git.enable = lib.mkEnableOption "foo-dogsquared's Git setup";
+
+  config = lib.mkIf cfg.enable {
+    home.packages = with pkgs; [
+      tea # So you don't have to see some teas, I guess.
+      hut # So you don't have to see Sourcehut's brutalist design, I guess.
+    ];
+
+    # My Git credentials.
+    programs.git = {
+      enable = true;
+      package = pkgs.gitFull;
+      lfs.enable = true;
+      signing.key = "ADE0C41DAB221FCC";
+      extraConfig = {
+        user = {
+          name = config.accounts.email.accounts.personal.realName;
+          email = config.accounts.email.accounts.personal.address;
+        };
+
+        alias = {
+          unstage = "reset HEAD --";
+          quick-rebase = "rebase --interactive --autostash --committer-date-is-author-date";
+          quick-clone = "clone --depth=1 --recurse-submodules --shallow-submodules";
+        };
+
+        init.defaultBranch = "main";
+
+        # Shorthand for popular forges ala-Nix flake URL inputs. It's just a fun
+        # little part of the config.
+        url = {
+          "https://github.com/".insteadOf = [ "gh:" "github:" ];
+          "https://gitlab.com/".insteadOf = [ "gl:" "gitlab:" ];
+          "https://gitlab.gnome.org/".insteadOf = [ "gnome:" ];
+          "https://invent.kde.org/".insteadOf = [ "kde:" ];
+          "https://git.sr.ht/".insteadOf = [ "sh:" "sourcehut:" ];
+          "https://git.savannah.nongnu.org/git/".insteadOf = [ "sv:" "savannah:" ];
+        };
+
+        status = {
+          showPatch = true;
+          showStash = true;
+        };
+
+        submodule.fetchJobs = 0;
+      };
+    };
+
+    # So you don't have to use GitHub, I guess.
+    programs.gh = {
+      enable = true;
+      extensions = with pkgs; [
+        gh-eco
+        gh-dash
+        gh-actions-cache
+      ];
+
+      settings = {
+        git_protocol = "ssh";
+        prompt = "enabled";
+
+        aliases = {
+          pc = "pr checkout";
+          pv = "pr view";
+        };
+      };
+    };
+  };
+}
diff --git a/users/home-manager/foo-dogsquared/modules/programs/keys.nix b/users/home-manager/foo-dogsquared/modules/programs/keys.nix
new file mode 100644
index 00000000..29f311ae
--- /dev/null
+++ b/users/home-manager/foo-dogsquared/modules/programs/keys.nix
@@ -0,0 +1,61 @@
+{ config, lib, pkgs, ... }:
+
+let
+  userCfg = config.users.foo-dogsquared;
+  cfg = userCfg.programs.keys;
+in
+{
+  options.users.foo-dogsquared.programs.keys = {
+    ssh.enable = lib.mkEnableOption "foo-dogsquared's SSH config";
+    gpg.enable = lib.mkEnableOption "foo-dogsquared's GPG config";
+  };
+
+  config = lib.mkMerge [
+    # My SSH client configuration. It is encouraged to keep matches and extra
+    # configurations included in a separate `config.d/` directory. This enables
+    # it to easily backup the certain files which is most likely what we're
+    # mostly configuring anyways.
+    (lib.mkIf cfg.ssh.enable {
+      programs.ssh = {
+        enable = true;
+        includes = [ "config.d/*" ];
+        extraConfig = ''
+          AddKeysToAgent confirm 15m
+          ForwardAgent no
+          VisualHostKey yes
+        '';
+      };
+
+      # Make all of the initial SSH identities configuration here. It should assume
+      # I have other SSH identities configuration that are not committed here for
+      # whatever reason.
+      home.file.".ssh/config.d" = {
+        source = ../../config/ssh;
+        recursive = true;
+      };
+    })
+
+    # My GPG client. It has to make sure the keys are not generated and has to be
+    # backed up somewhere.
+    #
+    # If you want to know how to manage GPG PROPERLY for the nth time, read the
+    # following document:
+    # https://alexcabal.com/creating-the-perfect-gpg-keypair
+    (lib.mkIf cfg.gpg.enable {
+      programs.gpg = {
+        enable = true;
+
+        # This is just made to be a starting point, per se.
+        mutableKeys = true;
+        mutableTrust = true;
+
+        settings = {
+          default-key = "0xADE0C41DAB221FCC";
+          keyid-format = "0xlong";
+          with-fingerprint = true;
+          no-comments = false;
+        };
+      };
+    })
+  ];
+}