diff --git a/pkgs/applications/audio/zynaddsubfx/default.nix b/pkgs/applications/audio/zynaddsubfx/default.nix
new file mode 100644
index 000000000000..2931cfe41f63
--- /dev/null
+++ b/pkgs/applications/audio/zynaddsubfx/default.nix
@@ -0,0 +1,25 @@
+{ stdenv, fetchurl, alsaLib, fftw, fltk, minixml, zlib }:
+
+stdenv.mkDerivation  rec {
+  name = "zynaddsubfx-${version}";
+  version = "2.4.1";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/zynaddsubfx/ZynAddSubFX-${version}.tar.bz2";
+    sha256 = "1zn5lgh76rrbfj8d4jys2gc1j2pqrbdd18ywfdrk0s7jq4inwyfg";
+  };
+
+  buildInputs = [ alsaLib fftw fltk minixml zlib ];
+
+  preConfigure = "cd src";
+
+  installPhase = "mkdir -p $out/bin; cp zynaddsubfx $out/bin";
+
+  meta = with stdenv.lib; {
+    description = "high quality software synthesizer";
+    homepage = http://zynaddsubfx.sourceforge.net;
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.goibhniu ];
+  };
+}
diff --git a/pkgs/development/libraries/minixml/default.nix b/pkgs/development/libraries/minixml/default.nix
new file mode 100644
index 000000000000..33b713239c85
--- /dev/null
+++ b/pkgs/development/libraries/minixml/default.nix
@@ -0,0 +1,19 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation  rec {
+  name = "mxml-${version}";
+  version = "2.6";
+
+  src = fetchurl {
+    url = "http://ftp.easysw.com/pub/mxml/${version}/${name}.tar.gz";
+    sha256 = "15cpqr43cwvy1ms67rfav8l9fjgybkaqfq7nhag8qnhd3bd4glxh";
+  };
+
+  meta = with stdenv.lib; {
+    description = "a small XML library";
+    homepage = http://www.minixml.org;
+    license = licenses.lgpl2;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.goibhniu ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 95a1681e5c54..46017fe40aa0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -906,6 +906,8 @@ let
 
   miniupnpd = callPackage ../tools/networking/miniupnpd { };
 
+  minixml = callPackage ../development/libraries/minixml { };
+
   mjpegtools = callPackage ../tools/video/mjpegtools { };
 
   mkcue = callPackage ../tools/cd-dvd/mkcue { };
@@ -7036,6 +7038,10 @@ let
 
   zathura = callPackage ../applications/misc/zathura { };
 
+  zynaddsubfx = callPackage ../applications/audio/zynaddsubfx { 
+    fltk = fltk11;
+  };
+
   ### GAMES
 
   asc = callPackage ../games/asc {