diff --git a/pkgs/applications/audio/gtklick/default.nix b/pkgs/applications/audio/gtklick/default.nix
new file mode 100644
index 000000000000..b11e1ac0fa79
--- /dev/null
+++ b/pkgs/applications/audio/gtklick/default.nix
@@ -0,0 +1,35 @@
+{ stdenv, fetchurl, pythonPackages, gettext, klick}:
+
+pythonPackages.buildPythonPackage rec {
+  name = "gtklick-${version}";
+  namePrefix = "";
+  version = "0.6.4";
+
+  src = fetchurl {
+    url = "http://das.nasophon.de/download/${name}.tar.gz";
+    sha256 = "7799d884126ccc818678aed79d58057f8cf3528e9f1be771c3fa5b694d9d0137";
+  };
+
+  pythonPath = with pythonPackages; [
+    pyliblo
+    pyGtkGlade
+  ];
+
+  buildInputs = [ gettext ];
+
+  propagatedBuildInputs = [ klick ];
+
+  # wrapPythonPrograms breaks gtklick in the postFixup phase.
+  # To fix it, apply wrapPythonPrograms and then clean up the wrapped file.
+  postFixup = ''
+    wrapPythonPrograms
+
+    sed -i "/import sys; sys.argv\[0\] = 'gtklick'/d" $out/bin/.gtklick-wrapped
+  '';
+
+  meta = {
+    homepage = "http://das.nasophon.de/gtklick/";
+    description = "Simple metronome with an easy-to-use GTK interface";
+    license = stdenv.lib.licenses.gpl2Plus;
+  };
+}
diff --git a/pkgs/applications/audio/klick/default.nix b/pkgs/applications/audio/klick/default.nix
new file mode 100644
index 000000000000..20ac0f1aba66
--- /dev/null
+++ b/pkgs/applications/audio/klick/default.nix
@@ -0,0 +1,28 @@
+{ stdenv, fetchurl, scons, pkgconfig
+, libsamplerate, libsndfile, liblo, libjack2, boost }:
+
+stdenv.mkDerivation rec {
+  name = "klick-${version}";
+  version = "0.12.2";
+
+  src = fetchurl {
+    url = "http://das.nasophon.de/download/${name}.tar.gz";
+    sha256 = "1289533c0849b1b66463bf27f7ce5f71736b655cfb7672ef884c7e6eb957ac42";
+  };
+
+  buildInputs = [ scons pkgconfig libsamplerate libsndfile liblo libjack2 boost ];
+
+  buildPhase = ''
+    mkdir -p $out
+    scons PREFIX=$out
+  '';
+
+  installPhase = "scons install";
+
+  meta = {
+    homepage = "http://das.nasophon.de/klick/";
+    description = "Advanced command-line metronome for JACK";
+    license = stdenv.lib.licenses.gpl2Plus;
+  };
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9474f0556e9d..274233f97b98 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1789,6 +1789,8 @@ let
 
   gtkdatabox = callPackage ../development/libraries/gtkdatabox {};
 
+  gtklick = callPackage ../applications/audio/gtklick {};
+
   gtdialog = callPackage ../development/libraries/gtdialog {};
 
   gtkgnutella = callPackage ../tools/networking/p2p/gtk-gnutella { };
@@ -2031,6 +2033,8 @@ let
 
   kismet = callPackage ../applications/networking/sniffers/kismet { };
 
+  klick = callPackage ../applications/audio/klick { };
+
   knockknock = callPackage ../tools/security/knockknock { };
 
   kpcli = callPackage ../tools/security/kpcli { };
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7818d8e9d515..474ea6a8a05f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -15944,6 +15944,25 @@ in modules // {
     };
   });
 
+  pyliblo = buildPythonPackage rec {
+    name = "pyliblo-${version}";
+    version = "0.9.2";
+
+    disabled = isPyPy;
+
+    src = pkgs.fetchurl {
+      url = "http://das.nasophon.de/download/${name}.tar.gz";
+      sha256 = "382ee7360aa00aeebf1b955eef65f8491366657a626254574c647521b36e0eb0";
+    };
+
+    propagatedBuildInputs = with self ; [ pkgs.liblo ];
+
+    meta = {
+      homepage = http://das.nasophon.de/pyliblo/;
+      description = "Python wrapper for the liblo OSC library";
+      license = licenses.lgpl21;
+    };
+  };
 
   pymacs = buildPythonPackage rec {
     version = "0.25";