diff --git a/options/device/README.md b/options/device/README.md
deleted file mode 100644
index d433491..0000000
--- a/options/device/README.md
+++ /dev/null
@@ -1 +0,0 @@
-Опции для конфигурации устройства.
\ No newline at end of file
diff --git a/options/device/laptop.nix b/options/device/laptop.nix
index 4d686ee..7625fe4 100644
--- a/options/device/laptop.nix
+++ b/options/device/laptop.nix
@@ -18,20 +18,20 @@ in
 
       battery.enable = lib.mkOption {
         type = lib.types.bool;
-        default = true;
+        default = false;
         description = "Battery configuration for the laptop.";
       };
 
       bluetooth.enable = lib.mkOption {
         type = lib.types.bool;
-        default = true;
+        default = false;
         description = "Bluetooth configuration for the laptop.";
       };
 
       cpu = {
         enable = lib.mkOption {
           type = lib.types.bool;
-          default = true;
+          default = false;
           description = "CPU configuration for the laptop.";
         };
         type = lib.mkOption {
@@ -42,11 +42,13 @@ in
           default = "intel";
           description = "Laptop CPU type.";
         };
+        # FIXME: Additional imports for devices config:
+        # inputs.nixos-hardware.nixosModules.common-cpu-intel
       };
 
       sound.enable = lib.mkOption {
         type = lib.types.bool;
-        default = true;
+        default = false;
         description = "Sound configuration for the laptop.";
       };
     };
diff --git a/options/home/dev.nix b/options/home/dev.nix
new file mode 100644
index 0000000..83e841f
--- /dev/null
+++ b/options/home/dev.nix
@@ -0,0 +1,198 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}:
+let
+  cfg = config.home.dev;
+in
+{
+  options = {
+    home.dev = {
+      enable = lib.mkOption {
+        type = lib.types.bool;
+        default = false;
+        description = "Development settings.";
+      };
+      additionalDevPackages = lib.mkOption {
+        type = lib.types.listOf lib.types.package;
+        default = [ ];
+        description = "Development additional packages: cli/tui/utils";
+      };
+
+      git = {
+        enable = lib.mkOption {
+          type = lib.types.bool;
+          default = false;
+          description = "Git settings.";
+        };
+        userName = lib.mkOption {
+          type = lib.types.str;
+          default = config.home.username;
+          description = "Git user name.";
+        };
+        userEmail = lib.mkOption {
+          type = lib.types.str;
+          default = "";
+          description = "Git user email.";
+        };
+      };
+
+      python = {
+        enable = lib.mkOption {
+          type = lib.types.bool;
+          default = false;
+          description = "Python base settings & packages.";
+        };
+        packages = lib.mkOption {
+          type = lib.types.listOf lib.types.package;
+          default = [
+            pkgs.python314
+            pkgs.uv
+          ];
+          description = "List of user python packages.";
+        };
+      };
+
+      rust = {
+        enable = lib.mkOption {
+          type = lib.types.bool;
+          default = false;
+          description = "Rust base settings & packages.";
+        };
+        packages = lib.mkOption {
+          type = lib.types.listOf lib.types.package;
+          default = [
+            pkgs.gcc
+            pkgs.cargo
+            pkgs.rustc
+          ];
+          description = "List of user rust packages.";
+        };
+      };
+      terminal = {
+        enable = lib.mkOption {
+          type = lib.types.bool;
+          default = false;
+          description = "Terminal settings & other stuff.";
+        };
+        shell = lib.mkOption {
+          type = lib.types.str;
+          default = if cfg.terminal.zsh.enable then "zsh" else "bash";
+          description = "Change standart shell for kitty";
+        };
+        aliases = lib.mkOption {
+          type = lib.types.attrsOf lib.types.str;
+          default = {
+            gc = "sudo nix-collect-garbage -d";
+            dev = "nix develop --command ${cfg.terminal.shell}";
+            "..." = "cd ../..";
+          };
+          description = "Terminal aliases.";
+        };
+        kitty.enable = lib.mkOption {
+          type = lib.types.bool;
+          default = false;
+          description = "Configure kitty - terminal emulator.";
+        };
+        zsh = {
+          enable = lib.mkOption {
+            type = lib.types.bool;
+            default = false;
+            description = "Configure zsh - terminal shell.";
+          };
+          oh-my-zsh = {
+            enable = lib.mkOption {
+              type = lib.types.bool;
+              default = false;
+              description = "Configure oh-my-zsh.";
+            };
+            plugins = lib.mkOption {
+              type = lib.types.listOf lib.types.str;
+              default = [ ];
+              description = "Plugins for oh-my-zsh";
+            };
+          };
+        };
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    programs.git = lib.mkIf cfg.git.enable {
+      enable = true;
+      package = pkgs.gitAndTools.gitFull;
+      userName = cfg.git.userName;
+      userEmail = cfg.git.userEmail;
+      lfs.enable = true;
+      aliases = {
+        aa = "add --all";
+        c = "commit";
+        cm = "commit -m";
+        br = "branch";
+        s = "status";
+        uncommit = "reset --soft HEAD^";
+        unadd = "reset";
+        d = "diff";
+        ds = "diff --staged";
+      };
+      extraConfig = {
+        init = {
+          defaultbranch = "main";
+        };
+        branch = {
+          soft = "-committerdate";
+        };
+        pull.rebase = true;
+      };
+    };
+
+    programs.kitty = lib.mkIf cfg.terminal.kitty.enable {
+      enable = true;
+      package = pkgs.kitty;
+      shellIntegration = lib.mkIf (cfg.terminal.shell == "zsh") {
+        enableZshIntegration = true;
+      };
+      settings = {
+        shell = cfg.terminal.shell;
+        confirm_os_window_close = 0;
+        enable_audio_bell = false;
+        scrollback_lines = 10000;
+        mouse_hide_wait = "-1.0";
+      };
+      keybindings = {
+        "ctrl+=" = "increase_font_size";
+        "ctrl+-" = "decrease_font_size";
+      };
+    };
+
+    programs.zsh = lib.mkIf cfg.terminal.zsh.enable {
+      enable = true;
+      package = pkgs.zsh;
+      autocd = true;
+      autosuggestion = {
+        enable = true;
+        strategy = [ "history" ];
+      };
+      history = {
+        saveNoDups = true;
+        size = 10000;
+        save = 10000;
+      };
+      oh-my-zsh = lib.mkIf cfg.terminal.zsh.oh-my-zsh.enable {
+        enable = true;
+        plugins = cfg.terminal.zsh.oh-my-zsh.plugins;
+      };
+      syntaxHighlighting = {
+        enable = true;
+      };
+      shellAliases = cfg.terminal.aliases;
+    };
+
+    home.packages =
+      cfg.additionalDevPackages
+      ++ lib.optionals cfg.python.enable cfg.python.packages
+      ++ lib.optionals cfg.rust.enable cfg.rust.packages;
+  };
+}
diff --git a/options/host/README.md b/options/host/README.md
deleted file mode 100644
index f04d5d2..0000000
--- a/options/host/README.md
+++ /dev/null
@@ -1 +0,0 @@
-Опции для конфигурации хоста (системы).
\ No newline at end of file
diff --git a/options/host/locale.nix b/options/host/locale.nix
index 5602c50..c888b36 100644
--- a/options/host/locale.nix
+++ b/options/host/locale.nix
@@ -12,7 +12,7 @@ in
     host.locale = {
       enable = lib.mkOption {
         type = lib.types.bool;
-        default = true;
+        default = false;
         description = "Basic locale settings.";
       };
 
diff --git a/options/host/nix.nix b/options/host/nix.nix
index 24cacea..47ceca6 100644
--- a/options/host/nix.nix
+++ b/options/host/nix.nix
@@ -12,7 +12,7 @@ in
     host.nix = {
       enable = lib.mkOption {
         type = lib.types.bool;
-        default = true;
+        default = false;
         description = "Nix settings for host.";
       };
       optimization.enable = lib.mkOption {
diff --git a/options/host/polkit.nix b/options/host/polkit.nix
index da0a100..ecfc2e2 100644
--- a/options/host/polkit.nix
+++ b/options/host/polkit.nix
@@ -12,7 +12,7 @@ in
     host.polkit = {
       enable = lib.mkOption {
         type = lib.types.bool;
-        default = true;
+        default = false;
         description = "Polkit configurations for host.";
       };
     };
diff --git a/options/host/window_managers.nix b/options/host/window_managers.nix
index b26f229..b3d1082 100644
--- a/options/host/window_managers.nix
+++ b/options/host/window_managers.nix
@@ -23,7 +23,7 @@ in
 
       powerProfiles.enable = lib.mkOption {
         type = lib.types.bool;
-        default = !config.device.battery.enable;
+        default = !config.device.laptop.battery.enable;
         description = "Power Profiles Daemon configurations for host.";
       };
     };
diff --git a/options/host/xserver.nix b/options/host/xserver.nix
index 699d10d..d31f685 100644
--- a/options/host/xserver.nix
+++ b/options/host/xserver.nix
@@ -7,7 +7,7 @@ in
     host.xserver = {
       enable = lib.mkOption {
         type = lib.types.bool;
-        default = true;
+        default = false;
         description = "Xserver configurations for host.";
       };
     };