diff --git a/pkgs/applications/window-managers/compton/default.nix b/pkgs/applications/window-managers/compton/default.nix
new file mode 100644
index 000000000000..dc1622972ad1
--- /dev/null
+++ b/pkgs/applications/window-managers/compton/default.nix
@@ -0,0 +1,25 @@
+{ stdenv, fetchgit, pkgconfig, libXcomposite, libXfixes, libXdamage
+, libXrender, libXext }:
+stdenv.mkDerivation rec {
+  name = "compton-20120507";
+  src = fetchgit {
+    url = git://github.com/chjj/compton.git;
+    rev = "d52f7a06dbc55d92e061f976730952177edac739";
+    sha256 = "0f7600a841c4c77d181b54bc14cf7d90d0bad25aa5edbade320ca8b9946f14eb";
+  };
+  buildInputs = [ pkgconfig libXcomposite libXfixes libXdamage libXrender libXext ];
+  buildFlagsArray = ["CFLAGS=-O3 -fomit-frame-pointer"];
+  installFlags = "PREFIX=$(out)";
+  meta = {
+    homepage = http://www.x.org/;
+    description = "A fork of XCompMgr, a sample compositing manager for X servers";
+    longDescription = ''
+      A fork of XCompMgr, which is a  sample compositing manager for X servers
+      supporting the XFIXES, DAMAGE, RENDER, and COMPOSITE extensions.  It enables
+      basic eye-candy effects. This fork adds additional features, such as additional
+      effects, and a fork at a well-defined and proper place.
+    '';
+    license = "bsd";
+    platforms = with stdenv.lib.platforms; linux;
+  };
+}
diff --git a/pkgs/applications/window-managers/xcompmgr/default.nix b/pkgs/applications/window-managers/xcompmgr/default.nix
index 9dd5892d9fcf..3e402b05b94c 100644
--- a/pkgs/applications/window-managers/xcompmgr/default.nix
+++ b/pkgs/applications/window-managers/xcompmgr/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, pkgconfig, libXcomposite, libXfixes, libXdamage
-, libXrender }:
+, libXrender, libXext }:
 stdenv.mkDerivation rec {
-  name = "xcompmgr-1.1.5";
+  name = "xcompmgr-1.1.6";
   src = fetchurl {
     url = "http://www.x.org/releases/individual/app/${name}.tar.bz2";
-    sha256 = "bb20737a6f9e0cdf5cfbd5288b6a9a4b16ca18d2be19444549c1d6be2a90b571";
+    sha256 = "c98949d36793b30ed1ed47495c87a05fa245ac0fc2857d2abc54979124687c02";
   };
-  buildInputs = [ pkgconfig libXcomposite libXfixes libXdamage libXrender ];
+  buildInputs = [ pkgconfig libXcomposite libXfixes libXdamage libXrender libXext ];
   meta = {
     homepage = http://www.x.org/;
     description = "A sample compositing manager for X servers";
diff --git a/pkgs/lib/maintainers.nix b/pkgs/lib/maintainers.nix
index 20d6d2517f6d..b790d7d1c114 100644
--- a/pkgs/lib/maintainers.nix
+++ b/pkgs/lib/maintainers.nix
@@ -6,6 +6,7 @@
 
   aforemny = "Alexander Foremny <alexanderforemny@googlemail.com>";
   all = "Nix Committers <nix-commits@lists.science.uu.nl>";
+  amiddelk = "Arie Middelkoop <amiddelk@gmail.com>";
   andres = "Andres Loeh <ksnixos@andres-loeh.de>";
   astsmtl = "Alexander Tsamutali <astsmtl@yandex.ru>";
   bjg = "Brian Gough <bjg@gnu.org>";
diff --git a/pkgs/os-specific/linux/upower/default.nix b/pkgs/os-specific/linux/upower/default.nix
index 2679d23d76e1..4a8cfbdbc515 100644
--- a/pkgs/os-specific/linux/upower/default.nix
+++ b/pkgs/os-specific/linux/upower/default.nix
@@ -4,11 +4,11 @@
 assert stdenv.isLinux;
 
 stdenv.mkDerivation rec {
-  name = "upower-0.9.15";
+  name = "upower-0.9.16";
 
   src = fetchurl {
     url = "http://upower.freedesktop.org/releases/${name}.tar.xz";
-    sha256 = "1313lr404hb29fzkf9frn1z0xxvibi451xmk05sf9kidyf01956m";
+    sha256 = "eb9a3d39a8cb62970fd612e333bc7a43437ab0e7890303578b0a7e3c67c8c212";
   };
 
   buildInputs = [ dbus_glib polkit intltool libxslt docbook_xsl udev libusb1 ];
diff --git a/pkgs/tools/graphics/briss/default.nix b/pkgs/tools/graphics/briss/default.nix
new file mode 100644
index 000000000000..2af2a9a8757e
--- /dev/null
+++ b/pkgs/tools/graphics/briss/default.nix
@@ -0,0 +1,31 @@
+# The releases of this project are apparently precompiled to .jar files.
+
+{ stdenv, fetchurl, jre }:
+
+let
+
+  version = "0.9";
+  sha256 = "45dd668a9ceb9cd59529a9fefe422a002ee1554a61be07e6fc8b3baf33d733d9";
+
+in stdenv.mkDerivation {
+  name = "briss-${version}";
+  src = fetchurl {
+    url = "mirror://sourceforge/briss/briss-${version}.tar.gz";
+    inherit sha256;
+  };
+
+  installPhase = ''
+    mkdir -p "$out/bin";
+    mkdir -p "$out/share";
+    install -D -m444 -t "$out/share" *.jar
+    echo "#!/bin/sh" > "$out/bin/briss"
+    echo "${jre}/bin/java -Xms128m -Xmx1024m -cp \"$out/share/\" -jar \"$out/share/briss-${version}.jar\"" >> "$out/bin/briss"
+    chmod +x "$out/bin/briss"
+  '';
+
+  meta = {
+    homepage = http://sourceforge.net/projects/briss/;
+    description = "Java application for cropping PDF files";
+    license = stdenv.lib.licenses.gpl3;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e6b441be5236..f310a120ee50 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1229,6 +1229,8 @@ let
 
   pdfread = callPackage ../tools/graphics/pdfread { };
 
+  briss = callPackage ../tools/graphics/briss { };
+
   pdnsd = callPackage ../tools/networking/pdnsd { };
 
   pg_top = callPackage ../tools/misc/pg_top { };
@@ -7602,6 +7604,8 @@ let
 
   wings = callPackage ../applications/graphics/wings { };
 
+  dzen2 = callPackage ../applications/misc/dzen { };
+
   # I'm keen on wmiimenu only  >wmii-3.5 no longer has it...
   wmiimenu = import ../applications/window-managers/wmii31 {
     libixp = libixp_for_wmii;
@@ -7668,6 +7672,8 @@ let
 
   xcompmgr = callPackage ../applications/window-managers/xcompmgr { };
 
+  compton = callPackage ../applications/window-managers/compton { };
+
   xdaliclock = callPackage ../tools/misc/xdaliclock {};
 
   xdg_utils = callPackage ../tools/X11/xdg-utils { };