diff --git a/configuration.nix b/configuration.nix
index e952085..a12f896 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -61,7 +61,7 @@ in
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.allen = {
     isNormalUser = true;
-    extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
+    extraGroups = [ "wheel" "wireshark" ]; # Enable ‘sudo’ for the user.
     shell = pkgs.fish;
     home = "/home/allen";
     packages = with pkgs; [ tree ];
@@ -70,6 +70,7 @@ in
   users.groups.libvirtd.members = [ "allen" ];
 
   programs.firefox.enable = true;
+  programs.wireshark.enable = true;
 
   # List packages installed in system profile.
   # You can use https://search.nixos.org/ to find more packages (and options).
diff --git a/pkgs/programming.nix b/pkgs/programming.nix
index 56d4bbd..4c853c4 100644
--- a/pkgs/programming.nix
+++ b/pkgs/programming.nix
@@ -4,8 +4,8 @@
 
 with pkgs; [
   radare2
-  python311Full
-  gdb
+  (python3.withPackages (python-pkgs: with python-pkgs; [ jupyter-client ]))
+  # gdb
   lldb
   tokio-console
   iaito
@@ -47,5 +47,6 @@ with pkgs; [
   haskellPackages.cabal-install
   haskellPackages.haskell-language-server
   haskellPackages.zlib
+  bpf-linker
   zlib.dev
 ]
diff --git a/pkgs/tools.nix b/pkgs/tools.nix
index 4a7f9ee..64caf0a 100644
--- a/pkgs/tools.nix
+++ b/pkgs/tools.nix
@@ -3,11 +3,21 @@
 { pkgs, ... }:
 
 with pkgs; [
+  zathura
+  google-chrome
+  speed-cloudflare-cli
   libreoffice
   waybar
   hyprsome
+  gns3-gui
+  gns3-server
   nwg-look
+  slack
   wl-clipboard
+  lazygit
+  qbittorrent
+  gmsh
+  paraview
   xorg.xcursorgen
   imagemagick
   icoutils
diff --git a/pkgs/util.nix b/pkgs/util.nix
index b5f8825..2b9ecf5 100644
--- a/pkgs/util.nix
+++ b/pkgs/util.nix
@@ -48,6 +48,12 @@ with pkgs; [
   lm_sensors
   ethtool
   pciutils
+  graphviz
+  mpi
   usbutils
   gpick
+  bridge-utils
+
+  cudaPackages.cudatoolkit
+
 ]