diff --git a/pkgs/applications/graphics/paraview/default.nix b/pkgs/applications/graphics/paraview/default.nix
index a2dfaabe86d9..452b889566e7 100644
--- a/pkgs/applications/graphics/paraview/default.nix
+++ b/pkgs/applications/graphics/paraview/default.nix
@@ -32,5 +32,13 @@ stdenv.mkDerivation {
     '';
 
   buildInputs = [ cmake qt4 ];
+
+  meta = {
+    homepage = "http://www.paraview.org/";
+    description = "3D Data analysis and visualization application";
+    license = "free";
+    maintainers = with stdenv.lib.maintainers; [viric];
+    platforms = with stdenv.lib.platforms; linux;
+  };
 }
 
diff --git a/pkgs/development/libraries/opencascade/default.nix b/pkgs/development/libraries/opencascade/default.nix
index 60feea3a5b3b..de3b9f32cf38 100644
--- a/pkgs/development/libraries/opencascade/default.nix
+++ b/pkgs/development/libraries/opencascade/default.nix
@@ -14,5 +14,7 @@ stdenv.mkDerivation {
   meta = {
     description = "Open CASCADE Technology, libraries for 3D modeling and numerical simulation";
     homepage = http://www.opencascade.org/;
+    maintainers = with stdenv.lib.maintainers; [viric];
+    platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/development/libraries/vtk/default.nix b/pkgs/development/libraries/vtk/default.nix
index cb9853ebbbc6..72666deba675 100644
--- a/pkgs/development/libraries/vtk/default.nix
+++ b/pkgs/development/libraries/vtk/default.nix
@@ -12,5 +12,7 @@ stdenv.mkDerivation {
     description = "Open source libraries for 3D computer graphics, image processing and visualization";
     homepage = http://www.vtk.org/;
     license = "BSD";
+    maintainers = with stdenv.lib.maintainers; [viric];
+    platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/development/libraries/vxl/default.nix b/pkgs/development/libraries/vxl/default.nix
index ed7028b7d032..c9ba078a6fab 100644
--- a/pkgs/development/libraries/vxl/default.nix
+++ b/pkgs/development/libraries/vxl/default.nix
@@ -1,10 +1,10 @@
 { stdenv, fetchurl, unzip, cmake, libtiff, expat, zlib, libpng, libjpeg }:
 stdenv.mkDerivation {
-  name = "vxl-1.12.0";
+  name = "vxl-1.13.0";
 
   src = fetchurl {
-    url = mirror://sourceforge/vxl/vxl-1.12.0.zip;
-    sha256 = "11nwa37g42l81xv18s2q2jflc4vr2ncsm7wn7yv269wfwxcjhnlc";
+    url = mirror://sourceforge/vxl/vxl-1.13.0.zip;
+    sha256 = "05xk9dfkqsznp1dic8rcsdhgdp12bikwx1zpci0w3s20fs8q8nn1";
   };
 
   buildInputs = [ cmake unzip libtiff expat zlib libpng libjpeg ];
@@ -19,5 +19,7 @@ stdenv.mkDerivation {
     description = "C++ Libraries for Computer Vision Research and Implementation";
     homepage = http://vxl.sourceforge.net/;
     license = "VXL License";
+    maintainers = with stdenv.lib.maintainers; [viric];
+    platforms = with stdenv.lib.platforms; linux;
   };
 }