diff --git a/pkgs/applications/networking/instant-messengers/kadu/default.nix b/pkgs/applications/networking/instant-messengers/kadu/default.nix
new file mode 100644
index 000000000000..a9b5e0d7a864
--- /dev/null
+++ b/pkgs/applications/networking/instant-messengers/kadu/default.nix
@@ -0,0 +1,34 @@
+{ stdenv, fetchurl, cmake, qt, libgadu, bash, libXScrnSaver, libsndfile, qca2, wget, libX11, alsaLib }:
+
+stdenv.mkDerivation {
+
+  name = "kadu-0.6.5.4";
+
+  src = fetchurl {
+    url = http://www.kadu.net/download/stable/kadu-0.6.5.4.tar.bz2;
+    sha256 = "09bdcyx75lca1pl6x3vfpawmdjn5pfxvwivb9xdhk4bdvswxgv4x";
+  };
+  
+  buildInputs = [
+    cmake qt libgadu bash libXScrnSaver libsndfile qca2 wget libX11 alsaLib
+  ];
+
+  cmakeFlags = "-Wno-dev";
+
+  NIX_LDFLAGS="-lX11";
+
+  patches = [ ./more-icons.patch ];
+
+  patchPhase = ''
+    unset patchPhase; patchPhase
+    sed 's=/bin/bash=/${stdenv.shell}=g' -i \
+      `find -type f -name '*.sh' -or -name 'autodownload'`
+  '';
+
+  meta = { 
+    description = "An instance messanger client for the gadu-gadu network (most popular polish IM network)";
+    homepage = http://www.kadu.net/w/English:Main_Page;
+    license = "GPLv2";
+    platforms = stdenv.lib.platforms.linux;
+  };
+}
diff --git a/pkgs/applications/networking/instant-messengers/kadu/more-icons.patch b/pkgs/applications/networking/instant-messengers/kadu/more-icons.patch
new file mode 100644
index 000000000000..60234d361f7c
--- /dev/null
+++ b/pkgs/applications/networking/instant-messengers/kadu/more-icons.patch
@@ -0,0 +1,12 @@
+--- kadu/.config	2010-01-18 17:13:31.000000000 +0100
++++ kadu/.config	2010-09-28 21:21:48.000000000 +0200
+@@ -559,10 +559,10 @@ icons_glass16=y
+ icons_glass22=y
+ 
+ # Desctiption: Tango 16x16 icons made by BlotoPosniegowe
+-icons_tango16=n
++icons_tango16=y
+ 
+ # Description: Oxygen 16x16 icons maintained by Piotr Pelzowski
+-icons_oxygen16=n
++icons_oxygen16=y
diff --git a/pkgs/development/libraries/libgadu/default.nix b/pkgs/development/libraries/libgadu/default.nix
new file mode 100644
index 000000000000..455380f55894
--- /dev/null
+++ b/pkgs/development/libraries/libgadu/default.nix
@@ -0,0 +1,19 @@
+{stdenv, fetchurl}:
+
+stdenv.mkDerivation {
+
+  name = "libgadu-1.9.0";
+
+  src = fetchurl {
+    url = http://toxygen.net/libgadu/files/libgadu-1.9.0.tar.gz;
+    sha256 = "1ygmda23hf7cysns9kglsiljzb4x8339n878k70yacgzm07dryhj";
+  };
+
+  meta = {
+    description = "A library to deal with gadu-gadu protocol (most popular polish IM protocol)";
+    homepage = http://toxygen.net/libgadu/;
+    platforms = stdenv.lib.platforms.linux;
+    license = "LGPLv2.1";
+  };
+
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 95fc2ce8d586..4c2810c6d315 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2853,6 +2853,8 @@ let
 
   libdwg = callPackage ../development/libraries/libdwg { };
 
+  libgadu = callPackage ../development/libraries/libgadu { };
+
   eglibc = callPackage ../development/libraries/eglibc {
     kernelHeaders = linuxHeaders;
     installLocales = getPkgConfig "glibc" "locales" false;
@@ -5772,6 +5774,14 @@ let
 
   jwm = callPackage ../applications/window-managers/jwm { };
 
+  kadu = callPackage ../applications/networking/instant-messengers/kadu {
+    stdenv = stdenv2;
+    qt = qt4;
+    inherit fetchurl cmake libgadu bash libsndfile wget alsaLib;
+    inherit (xlibs) libXScrnSaver libX11;
+    inherit (kde45) qca2;
+  };
+
   kbluetooth = newScope pkgs.kde4 ../tools/bluetooth/kbluetooth { };
 
   kermit = callPackage ../tools/misc/kermit { };