diff --git a/application-configuration.nix b/application-configuration.nix
index b20b2ed..9ae8223 100644
--- a/application-configuration.nix
+++ b/application-configuration.nix
@@ -3,7 +3,7 @@
   users.users.caleb = {
     packages = with pkgs;
       [
-        ## apps
+        # apps
         firefox
         kate
         qalculate-qt
@@ -18,8 +18,10 @@
         yubikey-manager-qt
         gparted
         hashcat
+        libsForQt5.kdeconnect-kde
+        obsidian
 
-        ##flatpak
+        # flatpak
         flatpak
         gnome.gnome-software
       ];
@@ -29,6 +31,17 @@
     openjdk8
   ];
 
+  # kde connect
+  networking.firewall = { 
+    enable = true;
+    allowedTCPPortRanges = [ 
+      { from = 1714; to = 1764; } # KDE Connect
+    ];  
+    allowedUDPPortRanges = [ 
+      { from = 1714; to = 1764; } # KDE Connect
+    ];  
+  };
+
   # install Steam
   programs.steam = {
     enable = true;