diff --git a/pkgs/applications/graphics/gthumb/default.nix b/pkgs/applications/graphics/gthumb/default.nix
index 6bcd16934e30..6f4ddf27b90d 100644
--- a/pkgs/applications/graphics/gthumb/default.nix
+++ b/pkgs/applications/graphics/gthumb/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Apps/gthumb;
+    homepage = "https://wiki.gnome.org/Apps/Gthumb";
     description = "Image browser and viewer for GNOME";
     platforms = platforms.linux;
     license = licenses.gpl2;
diff --git a/pkgs/applications/misc/pdfmod/default.nix b/pkgs/applications/misc/pdfmod/default.nix
index d0b9a685a778..90107be64c72 100644
--- a/pkgs/applications/misc/pdfmod/default.nix
+++ b/pkgs/applications/misc/pdfmod/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   dontStrip = true;
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Apps/PdfMod;
+    homepage = "https://wiki.gnome.org/Attic/PdfMod";
     description = "A simple application for modifying PDF documents";
     platforms = platforms.all;
     maintainers = with maintainers; [ obadz ];
diff --git a/pkgs/applications/networking/instant-messengers/ekiga/default.nix b/pkgs/applications/networking/instant-messengers/ekiga/default.nix
index 7e8f83e19777..9886c2fa2ed9 100644
--- a/pkgs/applications/networking/instant-messengers/ekiga/default.nix
+++ b/pkgs/applications/networking/instant-messengers/ekiga/default.nix
@@ -53,13 +53,6 @@ stdenv.mkDerivation rec {
       --prefix XDG_DATA_DIRS : "$XDG_ICON_DIRS:$GSETTINGS_SCHEMAS_PATH"
   '';
 
-  meta = with stdenv.lib; {
-    description = "VOIP/Videoconferencing app with full SIP and H.323 support";
-    maintainers = [ maintainers.raskin ];
-    platforms = platforms.linux;
-    license = licenses.gpl2Plus;
-  };
-
   passthru = {
     updateInfo = {
       downloadPage = "mirror://gnome/sources/ekiga";
@@ -68,5 +61,13 @@ stdenv.mkDerivation rec {
       packageName = pname;
     };
   };
+
+  meta = with stdenv.lib; {
+    description = "VOIP/Videoconferencing app with full SIP and H.323 support";
+    homepage = "https://www.ekiga.org/";
+    maintainers = [ maintainers.raskin ];
+    platforms = platforms.linux;
+    license = licenses.gpl2Plus;
+  };
 }
 
diff --git a/pkgs/desktops/gnome-3/apps/gnome-nettool/default.nix b/pkgs/desktops/gnome-3/apps/gnome-nettool/default.nix
index 598c24581a20..00a76318b697 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-nettool/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-nettool/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://projects.gnome.org/gnome-network;
+    homepage = "https://gitlab.gnome.org/GNOME/gnome-nettool";
     description = "A collection of networking tools";
     maintainers = gnome3.maintainers;
     license = licenses.gpl2;
diff --git a/pkgs/development/libraries/cairomm/default.nix b/pkgs/development/libraries/cairomm/default.nix
index 2936f48fc8e6..13550bf3faba 100644
--- a/pkgs/development/libraries/cairomm/default.nix
+++ b/pkgs/development/libraries/cairomm/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
       when available (e.g., through the X Render Extension).
     '';
 
-    homepage = http://cairographics.org/;
+    homepage = "https://www.cairographics.org/";
 
     license = with licenses; [ lgpl2Plus mpl10 ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/gcab/default.nix b/pkgs/development/libraries/gcab/default.nix
index 397fee3f34c1..ee5988b30f57 100644
--- a/pkgs/development/libraries/gcab/default.nix
+++ b/pkgs/development/libraries/gcab/default.nix
@@ -32,6 +32,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     platforms = platforms.linux;
     license = licenses.lgpl21;
+    homepage = "https://wiki.gnome.org/msitools";
     maintainers = [ maintainers.lethalman ];
   };
 }
diff --git a/pkgs/development/libraries/gnome-menus/default.nix b/pkgs/development/libraries/gnome-menus/default.nix
index 5919380dc703..501fe4d0849f 100644
--- a/pkgs/development/libraries/gnome-menus/default.nix
+++ b/pkgs/development/libraries/gnome-menus/default.nix
@@ -20,12 +20,14 @@ stdenv.mkDerivation rec {
   passthru = {
     updateScript = gnome3.updateScript {
       packageName = pname;
+      versionPolicy = "none";
     };
   };
 
-  meta = {
-    homepage = https://www.gnome.org;
+  meta = with stdenv.lib; {
+    homepage = "https://gitlab.gnome.org/GNOME/gnome-menus";
     description = "Library that implements freedesktops's Desktop Menu Specification in GNOME";
-    platforms = stdenv.lib.platforms.linux;
+    license = with licenses; [ gpl2 lgpl2 ];
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/development/libraries/goocanvas/default.nix b/pkgs/development/libraries/goocanvas/default.nix
index 52383ebdf5dc..435c1f30bace 100644
--- a/pkgs/development/libraries/goocanvas/default.nix
+++ b/pkgs/development/libraries/goocanvas/default.nix
@@ -15,13 +15,14 @@ stdenv.mkDerivation rec {
   passthru = {
     updateScript = gnome3.updateScript {
       packageName = pname;
+      versionPolicy = "none";
     };
   };
 
-  meta = { 
+  meta = with stdenv.lib; {
     description = "Canvas widget for GTK+ based on the the Cairo 2D library";
-    homepage = http://goocanvas.sourceforge.net/;
-    license = ["GPL" "LGPL"];
+    homepage = "https://wiki.gnome.org/Projects/GooCanvas";
+    license = licenses.lgpl2;
     platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/libraries/gstreamer/gstreamermm/default.nix b/pkgs/development/libraries/gstreamer/gstreamermm/default.nix
index e321edcf6e08..35c278da03b1 100644
--- a/pkgs/development/libraries/gstreamer/gstreamermm/default.nix
+++ b/pkgs/development/libraries/gstreamer/gstreamermm/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++ interface for GStreamer";
-    homepage = https://gstreamer.freedesktop.org/bindings/cplusplus.html;
+    homepage = "https://gstreamer.freedesktop.org/bindings/cplusplus.html";
     license = licenses.lgpl21Plus;
     platforms = platforms.linux;
     maintainers = with maintainers; [ romildo ];
diff --git a/pkgs/development/libraries/hyena/default.nix b/pkgs/development/libraries/hyena/default.nix
index 3be37bbefced..09b7751c8284 100644
--- a/pkgs/development/libraries/hyena/default.nix
+++ b/pkgs/development/libraries/hyena/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   inherit monoDLLFixer;
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Hyena;
+    homepage = "https://wiki.gnome.org/Attic/Hyena";
     description = "A C# library which contains a hodge-podge of random stuff";
     longDescription = ''
       Hyena is a C# library used to make awesome applications. It contains a lot of random things,
diff --git a/pkgs/development/libraries/libgnome-keyring/default.nix b/pkgs/development/libraries/libgnome-keyring/default.nix
index 94c092069463..33a6a075ae44 100644
--- a/pkgs/development/libraries/libgnome-keyring/default.nix
+++ b/pkgs/development/libraries/libgnome-keyring/default.nix
@@ -16,6 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     inherit (glib.meta) platforms maintainers;
+    homepage = "https://wiki.gnome.org/Projects/GnomeKeyring";
     license = with stdenv.lib.licenses; [ gpl2 lgpl2 ];
   };
 }
diff --git a/pkgs/development/libraries/libunique/default.nix b/pkgs/development/libraries/libunique/default.nix
index d4ef5d99430d..b96fdf5eeddc 100644
--- a/pkgs/development/libraries/libunique/default.nix
+++ b/pkgs/development/libraries/libunique/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = {
-    homepage = https://wiki.gnome.org/Attic/LibUnique;
+    homepage = "https://wiki.gnome.org/Attic/LibUnique";
     description = "A library for writing single instance applications";
     license = stdenv.lib.licenses.lgpl21;
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/libwnck/default.nix b/pkgs/development/libraries/libwnck/default.nix
index 558fb30584fc..2872181a36d8 100644
--- a/pkgs/development/libraries/libwnck/default.nix
+++ b/pkgs/development/libraries/libwnck/default.nix
@@ -20,6 +20,8 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A library for creating task lists and pagers";
+    homepage = "https://gitlab.gnome.org/GNOME/libwnck";
     license = stdenv.lib.licenses.lgpl21;
+    maintainers = with stdenv.lib.maintainers; [ johnazoidberg ];
   };
 }
diff --git a/pkgs/development/libraries/libxmlxx/default.nix b/pkgs/development/libraries/libxmlxx/default.nix
index bf154b462ef1..c80808081ffb 100644
--- a/pkgs/development/libraries/libxmlxx/default.nix
+++ b/pkgs/development/libraries/libxmlxx/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://libxmlplusplus.sourceforge.net/;
+    homepage = "http://libxmlplusplus.sourceforge.net/";
     description = "C++ wrapper for the libxml2 XML parser library";
     license = licenses.lgpl2Plus;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/opal/default.nix b/pkgs/development/libraries/opal/default.nix
index 3527dc4bfacf..dd19fccd822a 100644
--- a/pkgs/development/libraries/opal/default.nix
+++ b/pkgs/development/libraries/opal/default.nix
@@ -27,6 +27,7 @@ stdenv.mkDerivation rec {
     description = "VoIP library";
     maintainers = [ maintainers.raskin ];
     platforms = platforms.linux;
+    homepage = "http://www.opalvoip.org/";
     license = with licenses; [ bsdOriginal mpl10 gpl2Plus lgpl21 ];
   };
 
diff --git a/pkgs/development/libraries/pangox-compat/default.nix b/pkgs/development/libraries/pangox-compat/default.nix
index 8059d20386fd..1ae2f1b81321 100644
--- a/pkgs/development/libraries/pangox-compat/default.nix
+++ b/pkgs/development/libraries/pangox-compat/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A compatibility library for pango>1.30.*";
-    homepage = https://www.pango.org/;
+    homepage = "https://gitlab.gnome.org/Archive/pangox-compat";
     license = stdenv.lib.licenses.lgpl2Plus;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/ptlib/default.nix b/pkgs/development/libraries/ptlib/default.nix
index 4b194a13ef87..d1dcc5fdb97a 100644
--- a/pkgs/development/libraries/ptlib/default.nix
+++ b/pkgs/development/libraries/ptlib/default.nix
@@ -38,6 +38,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Portable Tools from OPAL VoIP";
     maintainers = [ maintainers.raskin ];
+    homepage = "http://www.opalvoip.org/";
     platforms = platforms.linux;
     license = with licenses; [ beerware bsdOriginal mpl10 ];
   };
diff --git a/pkgs/development/tools/documentation/gnome-doc-utils/default.nix b/pkgs/development/tools/documentation/gnome-doc-utils/default.nix
index 0f33500a1940..2f29fb2fbad2 100644
--- a/pkgs/development/tools/documentation/gnome-doc-utils/default.nix
+++ b/pkgs/development/tools/documentation/gnome-doc-utils/default.nix
@@ -30,8 +30,8 @@ python2Packages.buildPythonApplication rec {
   };
 
   meta = with stdenv.lib; {
-    description = "Collection of documentation utilities for the Gnome project";
-    homepage = https://gitlab.gnome.org/GNOME/gnome-doc-utils;
+    description = "Collection of documentation utilities for the GNOME project";
+    homepage = "https://gitlab.gnome.org/GNOME/gnome-doc-utils";
     license = with licenses; [ gpl2Plus lgpl2Plus ];
     platforms = platforms.all;
   };
diff --git a/pkgs/development/tools/documentation/gtk-doc/default.nix b/pkgs/development/tools/documentation/gtk-doc/default.nix
index c4a53e5e3fd4..9d617e671271 100644
--- a/pkgs/development/tools/documentation/gtk-doc/default.nix
+++ b/pkgs/development/tools/documentation/gtk-doc/default.nix
@@ -45,8 +45,8 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://www.gtk.org/gtk-doc;
     description = "Tools to extract documentation embedded in GTK+ and GNOME source code";
+    homepage = "https://www.gtk.org/gtk-doc";
     license = licenses.gpl2;
     maintainers = with maintainers; [ pSub ];
   };
diff --git a/pkgs/development/tools/misc/gob2/default.nix b/pkgs/development/tools/misc/gob2/default.nix
index 4c00d2c10252..b1e107368ba7 100644
--- a/pkgs/development/tools/misc/gob2/default.nix
+++ b/pkgs/development/tools/misc/gob2/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Preprocessor for making GObjects with inline C code";
-    homepage = https://www.jirka.org/gob.html;
+    homepage = "https://www.jirka.org/gob.html";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/misc/themes/gtk2/gtk-engine-murrine/default.nix b/pkgs/misc/themes/gtk2/gtk-engine-murrine/default.nix
index a3afea817d57..9acb7b25a0dd 100644
--- a/pkgs/misc/themes/gtk2/gtk-engine-murrine/default.nix
+++ b/pkgs/misc/themes/gtk2/gtk-engine-murrine/default.nix
@@ -14,6 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A very flexible theme engine";
+    homepage = "https://gitlab.gnome.org/Archive/murrine";
     license = stdenv.lib.licenses.lgpl3;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/tools/security/polkit-gnome/default.nix b/pkgs/tools/security/polkit-gnome/default.nix
index 822a86e5fac9..559911699680 100644
--- a/pkgs/tools/security/polkit-gnome/default.nix
+++ b/pkgs/tools/security/polkit-gnome/default.nix
@@ -20,9 +20,9 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = https://hal.freedesktop.org/docs/PolicyKit/;
+    homepage = "https://gitlab.gnome.org/Archive/policykit-gnome";
     description = "A dbus session bus service that is used to bring up authentication dialogs";
-    license = stdenv.lib.licenses.gpl2;
+    license = stdenv.lib.licenses.lgpl2Plus;
     maintainers = with stdenv.lib.maintainers; [ phreedom ];
     platforms = stdenv.lib.platforms.linux;
   };