diff --git a/flake.lock b/flake.lock
index 1959b69..7242ccc 100644
--- a/flake.lock
+++ b/flake.lock
@@ -23,11 +23,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1717527182,
-        "narHash": "sha256-vWSkg6AMok1UUQiSYVdGMOXKD2cDFnajITiSi0Zjd1A=",
+        "lastModified": 1720042825,
+        "narHash": "sha256-A0vrUB6x82/jvf17qPCpxaM+ulJnD8YZwH9Ci0BsAzE=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "845a5c4c073f74105022533907703441e0464bc3",
+        "rev": "e1391fb22e18a36f57e6999c7a9f966dc80ac073",
         "type": "github"
       },
       "original": {
@@ -58,11 +58,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1717555607,
-        "narHash": "sha256-WZ1s48OODmRJ3DHC+I/DtM3tDRuRJlNqMvxvAPTD7ec=",
+        "lastModified": 1720954236,
+        "narHash": "sha256-1mEKHp4m9brvfQ0rjCca8P1WHpymK3TOr3v34ydv9bs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0b8e7a1ae5a94da2e1ee3f3030a32020f6254105",
+        "rev": "53e81e790209e41f0c1efa9ff26ff2fd7ab35e27",
         "type": "github"
       },
       "original": {
@@ -88,11 +88,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1717196966,
-        "narHash": "sha256-yZKhxVIKd2lsbOqYd5iDoUIwsRZFqE87smE2Vzf6Ck0=",
+        "lastModified": 1720957393,
+        "narHash": "sha256-oedh2RwpjEa+TNxhg5Je9Ch6d3W1NKi7DbRO1ziHemA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "57610d2f8f0937f39dbd72251e9614b1561942d8",
+        "rev": "693bc46d169f5af9c992095736e82c3488bf7dbb",
         "type": "github"
       },
       "original": {
diff --git a/hosts/laptop/home.nix b/hosts/laptop/home.nix
index e18a810..f724184 100644
--- a/hosts/laptop/home.nix
+++ b/hosts/laptop/home.nix
@@ -10,6 +10,7 @@
 
     # CLI
     ../../modules/home/cli/common
+    ../../modules/home/cli/develop.nix
     ../../modules/home/cli/ssh.nix
   ];
 
@@ -49,6 +50,8 @@
       gimp
       inkscape
 
+      # Development
+      unstable.drawio
     ];
 
     home.stateVersion = "24.05";
diff --git a/hosts/vnix-ctr/default.nix b/hosts/vnix-ctr/default.nix
index 58cf5ba..18ffb29 100644
--- a/hosts/vnix-ctr/default.nix
+++ b/hosts/vnix-ctr/default.nix
@@ -37,7 +37,7 @@
   networking.networkmanager.enable = true;
 
   networking.firewall = {
-    allowedTCPPorts = [ 1080 ];
+    allowedTCPPorts = [ 80 443 1080 ];
     allowedUDPPorts = [ 53 ];
   };
 
diff --git a/modules/home/cli/common/helix.nix b/modules/home/cli/common/helix.nix
index e4743ef..7f809f1 100644
--- a/modules/home/cli/common/helix.nix
+++ b/modules/home/cli/common/helix.nix
@@ -1,6 +1,10 @@
 { config, pkgs, ... }:
 
 {
+  home.packages = with pkgs; [
+    unstable.marksman
+  ];
+
   programs.helix = {
     enable = true;
     package = pkgs.unstable.helix;
diff --git a/modules/home/cli/common/shell.nix b/modules/home/cli/common/shell.nix
index de68721..19ca042 100644
--- a/modules/home/cli/common/shell.nix
+++ b/modules/home/cli/common/shell.nix
@@ -18,23 +18,4 @@
     enable = true;
     enableBashIntegration = true;
   };
-
-  programs.zellij = {
-    enable = true;
-    # enableBashIntegration = true;
-  };
-
-  home.file.zellij = {
-    target = ".config/zellij/config.kdl";
-    text = ''
-      pane_frames false
-      default_layout "compact"
-      keybinds {
-        normal {
-          bind "Ctrl e" { ToggleFloatingPanes; SwitchToMode "normal"; }
-        }
-      }
-    '';
-  };
-
 }
diff --git a/modules/home/cli/develop.nix b/modules/home/cli/develop.nix
new file mode 100644
index 0000000..fe23253
--- /dev/null
+++ b/modules/home/cli/develop.nix
@@ -0,0 +1,46 @@
+{ pkgs, ... }:
+
+{
+  home.packages = with pkgs; [
+    unstable.devenv
+  ];
+
+  programs.direnv = {
+    enable = true;
+    enableBashIntegration = true;
+  };
+
+  programs.zellij = {
+    enable = true;
+    # enableBashIntegration = true;
+  };
+
+  home.file.zellij = {
+    target = ".config/zellij/config.kdl";
+    text = ''
+      pane_frames false
+      keybinds {
+        normal {
+          bind "Ctrl e" { ToggleFloatingPanes; SwitchToMode "normal"; }
+        }
+      }
+    '';
+  };
+
+  home.file.zellij-layout-default = {
+    target = ".config/zellij/layouts/default.kdl";
+    text = ''
+      layout {
+        pane 
+        floating_panes {
+          pane {
+            width "80%"
+            height "80%"
+            x "10%"
+            y "10%"
+          }
+        }
+      }
+    '';
+  };
+}