diff --git a/pkgs/applications/audio/ams-lv2/default.nix b/pkgs/applications/audio/ams-lv2/default.nix
index 0750c38550b17..34f5667bfcaa3 100644
--- a/pkgs/applications/audio/ams-lv2/default.nix
+++ b/pkgs/applications/audio/ams-lv2/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation  rec {
 
   meta = with stdenv.lib; {
     description = "An LV2 port of the internal modules found in Alsa Modular Synth";
-    homepage = http://objectivewave.wordpress.com/ams-lv2;
+    homepage = "https://github.com/blablack/ams-lv2";
     license = licenses.gpl3;
     maintainers = [ maintainers.goibhniu ];
     platforms = platforms.linux;
diff --git a/pkgs/applications/audio/muse/default.nix b/pkgs/applications/audio/muse/default.nix
index 02b1d8ea5111c..372c8faf773d5 100644
--- a/pkgs/applications/audio/muse/default.nix
+++ b/pkgs/applications/audio/muse/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   version = "3.1pre1";
 
   meta = with stdenv.lib; {
-    homepage = http://www.muse-sequencer.org;
+    homepage = "https://www.muse-sequencer.org/";
     description = "MIDI/Audio sequencer with recording and editing capabilities";
     longDescription = ''
       MusE is a MIDI/Audio sequencer with recording and editing capabilities
diff --git a/pkgs/applications/office/pympress/default.nix b/pkgs/applications/office/pympress/default.nix
index 5cb20e4d6138b..2ce6e8a0220b5 100644
--- a/pkgs/applications/office/pympress/default.nix
+++ b/pkgs/applications/office/pympress/default.nix
@@ -42,7 +42,7 @@ python3Packages.buildPythonApplication rec {
   meta = with lib; {
     description = "Simple yet powerful PDF reader designed for dual-screen presentations";
     license = licenses.gpl2Plus;
-    homepage = "https://pympress.xyz/";
+    homepage = "https://cimbali.github.io/pympress/";
     maintainers = [ maintainers.tbenst ];
   };
 }
diff --git a/pkgs/desktops/pantheon/services/contractor/default.nix b/pkgs/desktops/pantheon/services/contractor/default.nix
index b10e97f77d73c..5061793fa1074 100644
--- a/pkgs/desktops/pantheon/services/contractor/default.nix
+++ b/pkgs/desktops/pantheon/services/contractor/default.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A desktop-wide extension service used by elementary OS";
-    homepage = https://github.com/elementarycontractor;
+    homepage = "https://github.com/elementary/contractor";
     license = licenses.gpl3Plus;
     platforms = platforms.linux;
     maintainers = pantheon.maintainers;
diff --git a/pkgs/development/coq-modules/mathcomp/default.nix b/pkgs/development/coq-modules/mathcomp/default.nix
index 6798236591c43..3c0a9632c95cd 100644
--- a/pkgs/development/coq-modules/mathcomp/default.nix
+++ b/pkgs/development/coq-modules/mathcomp/default.nix
@@ -108,7 +108,7 @@ let
         '';
 
         meta = with stdenv.lib; {
-          homepage = http://ssr.msr-inria.inria.fr/;
+          homepage = "https://math-comp.github.io/";
           license = licenses.cecill-b;
           maintainers = [ maintainers.vbgl maintainers.jwiegley ];
           platforms = coq.meta.platforms;
diff --git a/pkgs/development/libraries/aqbanking/libchipcard.nix b/pkgs/development/libraries/aqbanking/libchipcard.nix
index 23c300ab48a38..32ec4dd06fd6e 100644
--- a/pkgs/development/libraries/aqbanking/libchipcard.nix
+++ b/pkgs/development/libraries/aqbanking/libchipcard.nix
@@ -25,7 +25,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for access to chipcards";
-    homepage = http://www2.aquamaniac.de/sites/download/packages.php?package=02&showall=1;
+    homepage = "https://www.aquamaniac.de/rdm/projects/libchipcard";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ aszlig ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libgnurl/default.nix b/pkgs/development/libraries/libgnurl/default.nix
index dd7b91ffb9ae3..a1e8ef76394a8 100644
--- a/pkgs/development/libraries/libgnurl/default.nix
+++ b/pkgs/development/libraries/libgnurl/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A fork of libcurl used by GNUnet";
-    homepage    = https://gnunet.org/gnurl;
+    homepage    = "https://gnunet.org/en/gnurl.html";
     maintainers = with maintainers; [ falsifian vrthra ];
     platforms = platforms.linux;
     license = licenses.curl;
diff --git a/pkgs/development/perl-modules/MNI/default.nix b/pkgs/development/perl-modules/MNI/default.nix
index def32abf881c4..7057883e6373a 100644
--- a/pkgs/development/perl-modules/MNI/default.nix
+++ b/pkgs/development/perl-modules/MNI/default.nix
@@ -16,6 +16,7 @@ buildPerlPackage {
   doCheck = false;  # TODO: almost all tests fail ... is this a real problem?
 
   meta = with stdenv.lib; {
+    homepage = "https://github.com/BIC-MNI/mni-perllib";
     license = with licenses; [ artistic1 gpl1Plus ];
     maintainers = with maintainers; [ bcdarwin ];
   };
diff --git a/pkgs/development/perl-modules/Mozilla-LDAP/default.nix b/pkgs/development/perl-modules/Mozilla-LDAP/default.nix
index 41025e26f97d4..6c3d01a346295 100644
--- a/pkgs/development/perl-modules/Mozilla-LDAP/default.nix
+++ b/pkgs/development/perl-modules/Mozilla-LDAP/default.nix
@@ -12,6 +12,7 @@ buildPerlPackage rec {
   };
   meta = {
     description = "Mozilla's ldap client library";
+    homepage = "https://metacpan.org/release/perldap";
     license = with lib.licenses; [ mpl20 lgpl21Plus gpl2Plus ];
   };
 }
diff --git a/pkgs/development/perl-modules/strip-nondeterminism/default.nix b/pkgs/development/perl-modules/strip-nondeterminism/default.nix
index 3e638bfb1930c..7ac0b82ed1011 100644
--- a/pkgs/development/perl-modules/strip-nondeterminism/default.nix
+++ b/pkgs/development/perl-modules/strip-nondeterminism/default.nix
@@ -27,6 +27,7 @@ buildPerlPackage rec {
 
   meta = with lib; {
     description = "A Perl module for stripping bits of non-deterministic information";
+    homepage = "https://reproducible-builds.org/";
     license = licenses.gpl3;
     maintainers = with maintainers; [ pSub ];
   };
diff --git a/pkgs/development/python-modules/aioeventlet/default.nix b/pkgs/development/python-modules/aioeventlet/default.nix
index 5df19e92e8d7c..0582a59eae877 100644
--- a/pkgs/development/python-modules/aioeventlet/default.nix
+++ b/pkgs/development/python-modules/aioeventlet/default.nix
@@ -28,7 +28,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "aioeventlet implements the asyncio API (PEP 3156) on top of eventlet. It makes";
-    homepage = https://aioeventlet.readthedocs.org/;
+    homepage = "https://pypi.org/project/aioeventlet/";
     license = licenses.asl20;
   };
 
diff --git a/pkgs/development/python-modules/bcdoc/default.nix b/pkgs/development/python-modules/bcdoc/default.nix
index b4db16476d127..b8cbf8537dc60 100644
--- a/pkgs/development/python-modules/bcdoc/default.nix
+++ b/pkgs/development/python-modules/bcdoc/default.nix
@@ -15,7 +15,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/botocore/bcdoc;
+    homepage = "https://github.com/boto/bcdoc";
     license = licenses.asl20;
     description = "ReST document generation tools for botocore";
   };
diff --git a/pkgs/development/python-modules/binwalk/default.nix b/pkgs/development/python-modules/binwalk/default.nix
index 88ef71cabdf17..ec613527e92b1 100644
--- a/pkgs/development/python-modules/binwalk/default.nix
+++ b/pkgs/development/python-modules/binwalk/default.nix
@@ -30,7 +30,7 @@ buildPythonPackage {
     ++ stdenv.lib.optional visualizationSupport pyqtgraph;
 
   meta = with stdenv.lib; {
-    homepage = "http://binwalk.org";
+    homepage = "https://github.com/ReFirmLabs/binwalk";
     description = "A tool for searching a given binary image for embedded files";
     maintainers = [ maintainers.koral ];
   };
diff --git a/pkgs/development/python-modules/boltztrap2/default.nix b/pkgs/development/python-modules/boltztrap2/default.nix
index 50f2023418eeb..df10288905d23 100644
--- a/pkgs/development/python-modules/boltztrap2/default.nix
+++ b/pkgs/development/python-modules/boltztrap2/default.nix
@@ -37,7 +37,7 @@ buildPythonPackage rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://www.boltztrap.org/;
+    homepage = "http://www.boltztrap.org/";
     description = "Band-structure interpolator and transport coefficient calculator";
     license = licenses.gpl3;
     maintainers = [ maintainers.costrouc ];
diff --git a/pkgs/development/python-modules/bugz/default.nix b/pkgs/development/python-modules/bugz/default.nix
index 57ec37285744d..abfde52ef5f77 100644
--- a/pkgs/development/python-modules/bugz/default.nix
+++ b/pkgs/development/python-modules/bugz/default.nix
@@ -17,7 +17,7 @@ buildPythonPackage {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    homepage = http://www.liquidx.net/pybugz/;
+    homepage = "https://github.com/williamh/pybugz";
     description = "Command line interface for Bugzilla";
     license = licenses.gpl2;
     maintainers = [ maintainers.costrouc ];
diff --git a/pkgs/development/python-modules/coilmq/default.nix b/pkgs/development/python-modules/coilmq/default.nix
index 90eb1edc2cda9..8b103b55171d4 100644
--- a/pkgs/development/python-modules/coilmq/default.nix
+++ b/pkgs/development/python-modules/coilmq/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Simple, lightweight, and easily extensible STOMP message broker";
-    homepage = http://code.google.com/p/coilmq/;
+    homepage = "https://github.com/hozn/coilmq/";
     license = licenses.asl20;
   };
 }
diff --git a/pkgs/development/python-modules/cssutils/default.nix b/pkgs/development/python-modules/cssutils/default.nix
index 6dd680fe11f1b..1db154ac1b8c5 100644
--- a/pkgs/development/python-modules/cssutils/default.nix
+++ b/pkgs/development/python-modules/cssutils/default.nix
@@ -16,7 +16,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "A Python package to parse and build CSS";
-    homepage = http://code.google.com/p/cssutils/;
+    homepage = "http://cthedot.de/cssutils/";
     license = licenses.lgpl3Plus;
   };
 }
diff --git a/pkgs/development/python-modules/demjson/default.nix b/pkgs/development/python-modules/demjson/default.nix
index 265a4cb5712ba..58f2012aea713 100644
--- a/pkgs/development/python-modules/demjson/default.nix
+++ b/pkgs/development/python-modules/demjson/default.nix
@@ -12,7 +12,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Encoder/decoder and lint/validator for JSON (JavaScript Object Notation)";
-    homepage = http://deron.meranda.us/python/demjson/;
+    homepage = "https://github.com/dmeranda/demjson";
     license = licenses.lgpl3Plus;
     maintainers = with maintainers; [ bjornfor ];
     platforms = platforms.all;
diff --git a/pkgs/development/python-modules/diff-match-patch/default.nix b/pkgs/development/python-modules/diff-match-patch/default.nix
index 5887575f195ed..ba33eeda386e7 100644
--- a/pkgs/development/python-modules/diff-match-patch/default.nix
+++ b/pkgs/development/python-modules/diff-match-patch/default.nix
@@ -5,7 +5,7 @@ buildPythonPackage rec {
   version = "20181111";
 
   meta = {
-    homepage = https://code.google.com/p/google-diff-match-patch/;
+    homepage = "https://github.com/diff-match-patch-python/diff-match-patch";
     description = "Diff, Match and Patch libraries for Plain Text";
     license = lib.licenses.asl20;
   };
diff --git a/pkgs/development/python-modules/dill/default.nix b/pkgs/development/python-modules/dill/default.nix
index c1085255c2d2e..88ffbd32e9d59 100644
--- a/pkgs/development/python-modules/dill/default.nix
+++ b/pkgs/development/python-modules/dill/default.nix
@@ -25,7 +25,7 @@ buildPythonPackage rec {
 
   meta = {
     description = "Serialize all of python (almost)";
-    homepage = http://www.cacr.caltech.edu/~mmckerns/dill.htm;
+    homepage = "https://github.com/uqfoundation/dill/";
     license = lib.licenses.bsd3;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/development/python-modules/diskcache/default.nix b/pkgs/development/python-modules/diskcache/default.nix
index f51e3329aee82..6aec01ed73882 100644
--- a/pkgs/development/python-modules/diskcache/default.nix
+++ b/pkgs/development/python-modules/diskcache/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Disk and file backed persistent cache";
-    homepage = https://www.grantjenks.com/docs/diskcache/;
+    homepage = "http://www.grantjenks.com/docs/diskcache/";
     license = licenses.asl20;
     maintainers = [ maintainers.costrouc ];
   };
diff --git a/pkgs/development/python-modules/django_evolution/default.nix b/pkgs/development/python-modules/django_evolution/default.nix
index ea02467764d6d..7d53d4580430f 100644
--- a/pkgs/development/python-modules/django_evolution/default.nix
+++ b/pkgs/development/python-modules/django_evolution/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "A database schema evolution tool for the Django web framework";
-    homepage = http://code.google.com/p/django-evolution/;
+    homepage = "https://github.com/beanbaginc/django-evolution";
     license = licenses.bsd0;
     broken = true;
   };
diff --git a/pkgs/development/python-modules/dpkt/default.nix b/pkgs/development/python-modules/dpkt/default.nix
index c8c7f255afa8b..567cd85fa9437 100644
--- a/pkgs/development/python-modules/dpkt/default.nix
+++ b/pkgs/development/python-modules/dpkt/default.nix
@@ -11,7 +11,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Fast, simple packet creation / parsing, with definitions for the basic TCP/IP protocols";
-    homepage = https://code.google.com/p/dpkt/;
+    homepage = "https://github.com/kbandla/dpkt";
     license = licenses.bsd3;
     maintainers = with maintainers; [ bjornfor ];
     platforms = platforms.all;
diff --git a/pkgs/development/python-modules/emcee/default.nix b/pkgs/development/python-modules/emcee/default.nix
index dd3d8d3942557..ed513579457f9 100644
--- a/pkgs/development/python-modules/emcee/default.nix
+++ b/pkgs/development/python-modules/emcee/default.nix
@@ -14,7 +14,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Kick ass affine-invariant ensemble MCMC sampling";
-    homepage = http://dan.iel.fm/emcee;
+    homepage = "https://emcee.readthedocs.io/";
     license = licenses.mit;
   };
 }
diff --git a/pkgs/development/python-modules/extras/default.nix b/pkgs/development/python-modules/extras/default.nix
index adcc43f265096..ff8432ab2d274 100644
--- a/pkgs/development/python-modules/extras/default.nix
+++ b/pkgs/development/python-modules/extras/default.nix
@@ -16,8 +16,8 @@ buildPythonPackage rec {
   doCheck = false;
 
   meta = {
-    description = "A module provides basic functions for parsing mime-type names and matching them against a list of media-ranges";
-    homepage = https://code.google.com/p/mimeparse/;
+    description = "Useful extra bits for Python - things that should be in the standard library";
+    homepage = "https://github.com/testing-cabal/extras";
     license = lib.licenses.mit;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/development/python-modules/feedparser/default.nix b/pkgs/development/python-modules/feedparser/default.nix
index ac91fe51d8998..c36fd2b19437a 100644
--- a/pkgs/development/python-modules/feedparser/default.nix
+++ b/pkgs/development/python-modules/feedparser/default.nix
@@ -16,7 +16,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    homepage = http://code.google.com/p/feedparser/;
+    homepage = "https://github.com/kurtmckee/feedparser";
     description = "Universal feed parser";
     license = licenses.bsd2;
     maintainers = with maintainers; [ domenkozar ];
diff --git a/pkgs/development/python-modules/fiona/default.nix b/pkgs/development/python-modules/fiona/default.nix
index 2cd7ad4cf4180..4f9f80fdd8270 100644
--- a/pkgs/development/python-modules/fiona/default.nix
+++ b/pkgs/development/python-modules/fiona/default.nix
@@ -47,7 +47,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "OGR's neat, nimble, no-nonsense API for Python";
-    homepage = http://toblerity.org/fiona/;
+    homepage = "https://fiona.readthedocs.io/";
     license = licenses.bsd3;
     maintainers = with maintainers; [ knedlsepp ];
   };
diff --git a/pkgs/development/python-modules/flask-elastic/default.nix b/pkgs/development/python-modules/flask-elastic/default.nix
index 466bfb4412190..9f8e27ea20f98 100644
--- a/pkgs/development/python-modules/flask-elastic/default.nix
+++ b/pkgs/development/python-modules/flask-elastic/default.nix
@@ -17,6 +17,6 @@ buildPythonPackage rec {
     description = "Integrates official client for Elasticsearch into Flask";
     license = licenses.bsd3;
     maintainers = [ maintainers.mic92 ];
-    homepage = https://github.com/cepture/foppch/flask-elastic;
+    homepage = "https://github.com/marceltschoppch/flask-elastic";
   };
 }
diff --git a/pkgs/development/python-modules/flup/default.nix b/pkgs/development/python-modules/flup/default.nix
index 8256f5a1063d1..a6ef4d421df31 100644
--- a/pkgs/development/python-modules/flup/default.nix
+++ b/pkgs/development/python-modules/flup/default.nix
@@ -15,7 +15,7 @@ buildPythonPackage rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = "http://trac.saddi.com/flup";
+    homepage = "https://www.saddi.com/software/flup/";
     description = "FastCGI Python module set";
     license = licenses.bsd0;
   };
diff --git a/pkgs/development/python-modules/funcparserlib/default.nix b/pkgs/development/python-modules/funcparserlib/default.nix
index 6c3f5f6d01861..3a9503419ecdd 100644
--- a/pkgs/development/python-modules/funcparserlib/default.nix
+++ b/pkgs/development/python-modules/funcparserlib/default.nix
@@ -23,7 +23,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Recursive descent parsing library based on functional combinators";
-    homepage = https://code.google.com/p/funcparserlib/;
+    homepage = "https://github.com/vlasovskikh/funcparserlib";
     license = licenses.mit;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/python-modules/gateone/default.nix b/pkgs/development/python-modules/gateone/default.nix
index f9ad118673ac2..7a6aa659acec8 100644
--- a/pkgs/development/python-modules/gateone/default.nix
+++ b/pkgs/development/python-modules/gateone/default.nix
@@ -25,7 +25,7 @@ buildPythonPackage {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://liftoffsoftware.com/;
+    homepage = "http://liftoffsoftware.com/";
     description = "GateOne is a web-based terminal emulator and SSH client";
     maintainers = with maintainers; [ tomberek ];
     license = licenses.gpl3;
diff --git a/pkgs/development/python-modules/gdata/default.nix b/pkgs/development/python-modules/gdata/default.nix
index dbf2911ce195c..182fdc402a64e 100644
--- a/pkgs/development/python-modules/gdata/default.nix
+++ b/pkgs/development/python-modules/gdata/default.nix
@@ -8,7 +8,7 @@ buildPythonPackage rec {
   version = "2.0.18";
 
   src = fetchurl {
-    url = "https://gdata-python-client.googlecode.com/files/${pname}-${version}.tar.gz";
+    url = "https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/gdata-python-client/${pname}-${version}.tar.gz";
     sha256 = "1dpxl5hwyyqd71avpm5vkvw8fhlvf9liizmhrq9jphhrx0nx5rsn";
   };
 
@@ -16,7 +16,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    homepage = https://code.google.com/p/gdata-python-client/;
+    homepage = "https://github.com/google/gdata-python-client";
     description = "Python client library for Google data APIs";
     license = licenses.asl20;
   };
diff --git a/pkgs/development/python-modules/geopandas/default.nix b/pkgs/development/python-modules/geopandas/default.nix
index 7436626fc7445..6ea44bc09a234 100644
--- a/pkgs/development/python-modules/geopandas/default.nix
+++ b/pkgs/development/python-modules/geopandas/default.nix
@@ -29,7 +29,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Python geospatial data analysis framework";
-    homepage = https://geopandas.org;
+    homepage = "http://geopandas.org";
     license = licenses.bsd3;
     maintainers = with maintainers; [ knedlsepp ];
   };
diff --git a/pkgs/development/python-modules/google_apputils/default.nix b/pkgs/development/python-modules/google_apputils/default.nix
index 51b03bf559423..c7b386623ef8a 100644
--- a/pkgs/development/python-modules/google_apputils/default.nix
+++ b/pkgs/development/python-modules/google_apputils/default.nix
@@ -32,7 +32,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Google Application Utilities for Python";
-    homepage = http://code.google.com/p/google-apputils-python;
+    homepage = "https://github.com/google/google-apputils";
     license = licenses.asl20;
   };
 
diff --git a/pkgs/development/python-modules/google_cloud_speech/default.nix b/pkgs/development/python-modules/google_cloud_speech/default.nix
index cf2dbe37fff7c..b14c48cbf08fa 100644
--- a/pkgs/development/python-modules/google_cloud_speech/default.nix
+++ b/pkgs/development/python-modules/google_cloud_speech/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Cloud Speech API enables integration of Google speech recognition into applications.";
-    homepage = "https://googlecloudplatform.github.io/google-cloud-python/latest/speech/";
+    homepage = "https://github.com/googleapis/google-cloud-python/tree/master/speech";
     license = licenses.asl20;
     maintainers = with maintainers; [ vanschelven ];
   };
diff --git a/pkgs/development/python-modules/httplib2/default.nix b/pkgs/development/python-modules/httplib2/default.nix
index 0bbaece2c802d..77350b09941bf 100644
--- a/pkgs/development/python-modules/httplib2/default.nix
+++ b/pkgs/development/python-modules/httplib2/default.nix
@@ -13,7 +13,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   meta = with lib; {
-    homepage = http://code.google.com/p/httplib2;
+    homepage = "https://github.com/httplib2/httplib2";
     description = "A comprehensive HTTP client library";
     license = licenses.mit;
     maintainers = with maintainers; [ ];
diff --git a/pkgs/development/python-modules/iniparse/default.nix b/pkgs/development/python-modules/iniparse/default.nix
index e0c2fd765c985..1fdae967a42f2 100644
--- a/pkgs/development/python-modules/iniparse/default.nix
+++ b/pkgs/development/python-modules/iniparse/default.nix
@@ -22,7 +22,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Accessing and Modifying INI files";
-    homepage = http://code.google.com/p/iniparse/;
+    homepage = "https://github.com/candlepin/python-iniparse";
     license = licenses.mit;
     maintainers = with maintainers; [ danbst ];
   };
diff --git a/pkgs/development/python-modules/ipaddr/default.nix b/pkgs/development/python-modules/ipaddr/default.nix
index 6aecf5959ff8a..e76aa6ee2a577 100644
--- a/pkgs/development/python-modules/ipaddr/default.nix
+++ b/pkgs/development/python-modules/ipaddr/default.nix
@@ -16,7 +16,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Google's IP address manipulation library";
-    homepage = http://code.google.com/p/ipaddr-py/;
+    homepage = "https://github.com/google/ipaddr-py";
     license = licenses.asl20;
   };
 
diff --git a/pkgs/development/python-modules/jenkins-job-builder/default.nix b/pkgs/development/python-modules/jenkins-job-builder/default.nix
index 4cdef182ca782..bc109c560d84c 100644
--- a/pkgs/development/python-modules/jenkins-job-builder/default.nix
+++ b/pkgs/development/python-modules/jenkins-job-builder/default.nix
@@ -28,7 +28,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Jenkins Job Builder is a system for configuring Jenkins jobs using simple YAML files stored in Git";
-    homepage = "https://docs.openstack.org/infra/system-config/jjb.html";
+    homepage = "https://docs.openstack.org/infra/jenkins-job-builder/";
     license = licenses.asl20;
     maintainers = with maintainers; [ ];
   };
diff --git a/pkgs/development/python-modules/joblib/default.nix b/pkgs/development/python-modules/joblib/default.nix
index 8881dcf55996c..255e3e9b3d737 100644
--- a/pkgs/development/python-modules/joblib/default.nix
+++ b/pkgs/development/python-modules/joblib/default.nix
@@ -30,7 +30,7 @@ buildPythonPackage rec {
 
   meta = {
     description = "Lightweight pipelining: using Python functions as pipeline jobs";
-    homepage = https://pythonhosted.org/joblib/;
+    homepage = "https://joblib.readthedocs.io/";
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ costrouc ];
   };
diff --git a/pkgs/development/python-modules/limnoria/default.nix b/pkgs/development/python-modules/limnoria/default.nix
index 24dd7e91abc21..92cdf7764e32a 100644
--- a/pkgs/development/python-modules/limnoria/default.nix
+++ b/pkgs/development/python-modules/limnoria/default.nix
@@ -22,7 +22,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "A modified version of Supybot, an IRC bot";
-    homepage = http://supybot.fr.cr;
+    homepage = "https://github.com/ProgVal/Limnoria";
     license = licenses.bsd3;
     maintainers = with maintainers; [ goibhniu ];
   };
diff --git a/pkgs/development/python-modules/logutils/default.nix b/pkgs/development/python-modules/logutils/default.nix
index ce48978d6776e..8b4cb4e69c5cb 100644
--- a/pkgs/development/python-modules/logutils/default.nix
+++ b/pkgs/development/python-modules/logutils/default.nix
@@ -14,7 +14,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Logging utilities";
-    homepage = http://code.google.com/p/logutils/;
+    homepage = "https://bitbucket.org/vinay.sajip/logutils/";
     license = licenses.bsd0;
   };
 
diff --git a/pkgs/development/python-modules/mox/default.nix b/pkgs/development/python-modules/mox/default.nix
index d9b5a5aa111e9..3537d936bb619 100644
--- a/pkgs/development/python-modules/mox/default.nix
+++ b/pkgs/development/python-modules/mox/default.nix
@@ -16,7 +16,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    homepage = http://code.google.com/p/pymox/;
+    homepage = "https://pymox.readthedocs.io/";
     description = "A mock object framework for Python";
     license = licenses.asl20;
   };
diff --git a/pkgs/development/python-modules/mpi4py/default.nix b/pkgs/development/python-modules/mpi4py/default.nix
index 8cd639e520ce8..c16c4719a34d6 100644
--- a/pkgs/development/python-modules/mpi4py/default.nix
+++ b/pkgs/development/python-modules/mpi4py/default.nix
@@ -46,7 +46,7 @@ buildPythonPackage rec {
   meta = {
     description =
       "Python bindings for the Message Passing Interface standard";
-    homepage = http://code.google.com/p/mpi4py/;
+    homepage = "https://bitbucket.org/mpi4py/mpi4py/";
     license = stdenv.lib.licenses.bsd3;
   };
 }
diff --git a/pkgs/development/python-modules/mpmath/default.nix b/pkgs/development/python-modules/mpmath/default.nix
index 9da56cad88159..1cbb8b04130b6 100644
--- a/pkgs/development/python-modules/mpmath/default.nix
+++ b/pkgs/development/python-modules/mpmath/default.nix
@@ -16,7 +16,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    homepage    = http://mpmath.googlecode.com;
+    homepage    = "http://mpmath.org/";
     description = "A pure-Python library for multiprecision floating arithmetic";
     license     = licenses.bsd3;
     maintainers = with maintainers; [ lovek323 ];
diff --git a/pkgs/development/python-modules/mps-youtube/default.nix b/pkgs/development/python-modules/mps-youtube/default.nix
index 39ad7c472153e..753a0d24d0a31 100644
--- a/pkgs/development/python-modules/mps-youtube/default.nix
+++ b/pkgs/development/python-modules/mps-youtube/default.nix
@@ -28,7 +28,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Terminal based YouTube player and downloader";
-    homepage = https://github.com/np1/mps-youtube;
+    homepage = "https://github.com/mps-youtube/mps-youtube";
     license = licenses.gpl3;
     maintainers = with maintainers; [ odi ];
   };
diff --git a/pkgs/development/python-modules/musicbrainzngs/default.nix b/pkgs/development/python-modules/musicbrainzngs/default.nix
index 0f18163883e8e..71bdcc8b547cf 100644
--- a/pkgs/development/python-modules/musicbrainzngs/default.nix
+++ b/pkgs/development/python-modules/musicbrainzngs/default.nix
@@ -23,7 +23,7 @@ buildPythonPackage rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://alastair/python-musicbrainz-ngs;
+    homepage = "https://python-musicbrainzngs.readthedocs.org/";
     description = "Python bindings for musicbrainz NGS webservice";
     license = licenses.bsd2;
     maintainers = with maintainers; [ domenkozar ];
diff --git a/pkgs/development/python-modules/namebench/default.nix b/pkgs/development/python-modules/namebench/default.nix
index a930f250d80c0..44b590bae2cf8 100644
--- a/pkgs/development/python-modules/namebench/default.nix
+++ b/pkgs/development/python-modules/namebench/default.nix
@@ -12,7 +12,7 @@ buildPythonPackage rec {
   disabled = isPy3k || isPyPy;
 
   src = fetchurl {
-    url = "http://namebench.googlecode.com/files/${pname}-${version}-source.tgz";
+    url = "https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/{pname}/${pname}-${version}-source.tgz";
     sha256 = "09clbcd6wxgk4r6qw7hb78h818mvca7lijigy1mlq5y1f3lgkk1h";
   };
 
@@ -28,15 +28,14 @@ buildPythonPackage rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://namebench.googlecode.com/;
+    homepage = "https://github.com/google/namebench"; # Formerly https://code.google.com/archive/p/namebench/
     description = "Find fastest DNS servers available";
     license = with licenses; [
       asl20
       # third-party program licenses (embedded in the sources)
-      "LGPL" # Crystal_Clear
-      free # dns
-      asl20 # graphy
-      "BSD" # jinja2
+      lgpl21 # Crystal_Clear
+      isc # dns
+      bsd3 # jinja2
     ];
     longDescription = ''
       It hunts down the fastest DNS servers available for your computer to
diff --git a/pkgs/development/python-modules/ncclient/default.nix b/pkgs/development/python-modules/ncclient/default.nix
index 02e2a1b472a72..58d88e8dbf892 100644
--- a/pkgs/development/python-modules/ncclient/default.nix
+++ b/pkgs/development/python-modules/ncclient/default.nix
@@ -31,7 +31,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    homepage = http://ncclient.org/;
+    homepage = "https://github.com/ncclient/ncclient";
     description = "Python library for NETCONF clients";
     license = licenses.asl20;
     maintainers = with maintainers; [ xnaveira ];
diff --git a/pkgs/development/python-modules/opt-einsum/2.nix b/pkgs/development/python-modules/opt-einsum/2.nix
index 11da1ba1ea572..41c4df89f4fcd 100644
--- a/pkgs/development/python-modules/opt-einsum/2.nix
+++ b/pkgs/development/python-modules/opt-einsum/2.nix
@@ -23,7 +23,7 @@ buildPythonPackage rec {
 
   meta = {
     description = "Optimizing NumPy's einsum function with order optimization and GPU support.";
-    homepage = http://optimized-einsum.readthedocs.io;
+    homepage = "https://optimized-einsum.readthedocs.io";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ teh ];
   };
diff --git a/pkgs/development/python-modules/pandas/2.nix b/pkgs/development/python-modules/pandas/2.nix
index 6283addcb6eb8..e4f65a94dc53a 100644
--- a/pkgs/development/python-modules/pandas/2.nix
+++ b/pkgs/development/python-modules/pandas/2.nix
@@ -113,7 +113,7 @@ in buildPythonPackage rec {
     # https://github.com/pandas-dev/pandas/issues/14866
     # pandas devs are no longer testing i686 so safer to assume it's broken
     broken = stdenv.isi686;
-    homepage = http://pandas.pydata.org/;
+    homepage = "https://pandas.pydata.org/";
     description = "Python Data Analysis Library";
     license = stdenv.lib.licenses.bsd3;
     maintainers = with stdenv.lib.maintainers; [ raskin knedlsepp ];
diff --git a/pkgs/development/python-modules/python_mimeparse/default.nix b/pkgs/development/python-modules/python_mimeparse/default.nix
index 90da2f256d444..9484d24f5e2fd 100644
--- a/pkgs/development/python-modules/python_mimeparse/default.nix
+++ b/pkgs/development/python-modules/python_mimeparse/default.nix
@@ -17,7 +17,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "A module provides basic functions for parsing mime-type names and matching them against a list of media-ranges";
-    homepage = https://code.google.com/p/mimeparse/;
+    homepage = "https://github.com/dbtsai/python-mimeparse";
     license = licenses.mit;
   };
 
diff --git a/pkgs/development/python-modules/pythonirclib/default.nix b/pkgs/development/python-modules/pythonirclib/default.nix
index 35873d301be43..d4f81a825461e 100644
--- a/pkgs/development/python-modules/pythonirclib/default.nix
+++ b/pkgs/development/python-modules/pythonirclib/default.nix
@@ -27,7 +27,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Python IRC library";
-    homepage = https://bitbucket.org/jaraco/irc;
+    homepage = "https://github.com/jaraco/irc";
     license = with licenses; [ lgpl21 ];
   };
 
diff --git a/pkgs/development/tools/misc/pwndbg/default.nix b/pkgs/development/tools/misc/pwndbg/default.nix
index 9af43e4b74712..449d9ee098488 100644
--- a/pkgs/development/tools/misc/pwndbg/default.nix
+++ b/pkgs/development/tools/misc/pwndbg/default.nix
@@ -44,7 +44,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Exploit Development and Reverse Engineering with GDB Made Easy";
-    homepage = http://pwndbg.com;
+    homepage = "https://github.com/pwndbg/pwndbg";
     license = licenses.mit;
     platforms = platforms.linux;
     maintainers = with maintainers; [ mic92 ];
diff --git a/pkgs/development/web/wml/default.nix b/pkgs/development/web/wml/default.nix
index 57fedb78407e1..841a6ebecb0e0 100644
--- a/pkgs/development/web/wml/default.nix
+++ b/pkgs/development/web/wml/default.nix
@@ -56,7 +56,7 @@ perlPackages.buildPerlPackage {
   installTargets = "install";
 
   meta = with stdenv.lib; {
-    homepage = http://thewml.org/;
+    homepage = "https://www.shlomifish.org/open-source/projects/website-meta-language/";
     description = "Off-line HTML generation toolkit for Unix";
     license = licenses.gpl2;
     platforms = platforms.linux;
diff --git a/pkgs/games/flare/default.nix b/pkgs/games/flare/default.nix
index 551276b1b25d4..2058abebb55ee 100644
--- a/pkgs/games/flare/default.nix
+++ b/pkgs/games/flare/default.nix
@@ -16,7 +16,7 @@ buildEnv {
 
   meta = with lib; {
     description = "Fantasy action RPG using the FLARE engine";
-    homepage = "http://flarerpg.org/";
+    homepage = "https://flarerpg.org/";
     maintainers = [ maintainers.aanderse ];
     license = [ licenses.gpl3 licenses.cc-by-sa-30 ];
     platforms = platforms.unix;
diff --git a/pkgs/tools/compression/lbzip2/default.nix b/pkgs/tools/compression/lbzip2/default.nix
index cf616a21e0aaf..7e9cc055abf54 100644
--- a/pkgs/tools/compression/lbzip2/default.nix
+++ b/pkgs/tools/compression/lbzip2/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://lbzip2.org/;
+    homepage = "https://github.com/kjn/lbzip2"; # Formerly http://lbzip2.org/
     description = "Parallel bzip2 compression utility";
     license = licenses.gpl3;
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/tools/misc/ponysay/default.nix b/pkgs/tools/misc/ponysay/default.nix
index 1aa7dbedd9300..3fc3efa0eda00 100644
--- a/pkgs/tools/misc/ponysay/default.nix
+++ b/pkgs/tools/misc/ponysay/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Cowsay reimplemention for ponies";
-    homepage = http://erkin.co/ponysay/;
+    homepage = "https://github.com/erkin/ponysay";
     license = stdenv.lib.licenses.gpl3;
     maintainers = with stdenv.lib.maintainers; [ bodil ];
     platforms = with stdenv.lib.platforms; unix;
diff --git a/pkgs/tools/misc/rename/default.nix b/pkgs/tools/misc/rename/default.nix
index 770b229a3159a..e32b016016bdd 100644
--- a/pkgs/tools/misc/rename/default.nix
+++ b/pkgs/tools/misc/rename/default.nix
@@ -12,6 +12,7 @@ perlPackages.buildPerlPackage {
   };
   meta = with stdenv.lib; {
     description = "Rename files according to a Perl rewrite expression";
+    homepage = "https://github.com/pstray/rename";
     maintainers = with maintainers; [ mkg ];
     license = with licenses; [ gpl1Plus ];
   };
diff --git a/pkgs/tools/networking/p2p/amule/default.nix b/pkgs/tools/networking/p2p/amule/default.nix
index 2330a97d77dda..264c6fd4e165a 100644
--- a/pkgs/tools/networking/p2p/amule/default.nix
+++ b/pkgs/tools/networking/p2p/amule/default.nix
@@ -87,7 +87,7 @@ stdenv.mkDerivation rec {
       applications.
     '';
 
-    homepage = "https://amule.org/";
+    homepage = "https://github.com/amule-project/amule";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ phreedom ];
     platforms = platforms.unix;
diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 5b8778ef12b1a..22249e644e953 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -360,7 +360,7 @@ let
     doCheck = !stdenv.isLinux;
 
     meta = {
-      homepage = http://search.cpan.org/dist/Apache-AuthCookie/;
+      homepage = "https://github.com/mschout/apache-authcookie";
       description = "Perl Authentication and Authorization via cookies";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -2478,7 +2478,7 @@ let
     };
     buildInputs = [ TestFatal TestNeeds ];
     meta = {
-      homepage = https://github.com/sartak/Class-Method-Modifiers/tree;
+      homepage = "https://github.com/moose/Class-Method-Modifiers";
       description = "Provides Moose-like method modifiers";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -6377,7 +6377,7 @@ let
     buildInputs = [ FennecLite TestException ];
     propagatedBuildInputs = [ MetaBuilder aliased ];
     meta = {
-      homepage = http://open-exodus.net/projects/Exporter-Declare;
+      homepage = "https://metacpan.org/release/Exporter-Declare";
       description = "Exporting done right";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -6418,7 +6418,7 @@ let
     meta = {
       description = "Compile and link C code for Perl modules";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
-      homepage = "http://search.cpan.org/dist/ExtUtils-CBuilder";
+      homepage = "https://metacpan.org/release/ExtUtils-CBuilder";
     };
   };
 
@@ -6722,7 +6722,7 @@ let
       sha256 = "dce28e3932762c2ff92aa52d90405c06e898e81cb7b164ccae8966ae77f1dcab";
     };
     meta = {
-      homepage = http://open-exodus.net/projects/Fennec-Lite;
+      homepage = "https://metacpan.org/release/Fennec-Lite";
       description = "Minimalist Fennec, the commonly used bits";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -7140,7 +7140,7 @@ let
     };
     propagatedBuildInputs = [ FileShareDir ];
     meta = {
-      homepage = https://github.com/ingydotnet/file-share-pm/tree;
+      homepage = "https://github.com/ingydotnet/file-share-pm";
       description = "Extend File::ShareDir to Local Libraries";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -7334,7 +7334,7 @@ let
       sha256 = "b79dc2244b2d97b6f27167fc3b7799ef61a179040f3abd76ce1e0a3b0bc4e078";
     };
     meta = {
-      homepage = http://perl.wdlabs.com/File-Which;
+      homepage = "https://metacpan.org/release/File-Which";
       description = "Perl implementation of the which utility as an API";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -8996,7 +8996,7 @@ let
       sha256 = "0nsd9knlbd7if2v6zwj4q978axq0w5hk8ymp61z14a821hjivqjl";
     };
     meta = {
-      homepage = https://github.com/ingydotnet/io-all-pm/tree;
+      homepage = "https://github.com/ingydotnet/io-all-pm";
       description = "IO::All of it to Graham and Damian!";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -12487,7 +12487,7 @@ let
     buildInputs = [ ModuleBuildTiny TestFatal ];
     propagatedBuildInputs = [ Moose aliased namespaceautoclean ];
     meta = {
-      homepage = https://github.com/karenetheridge/moosex-lazyrequire;
+      homepage = "https://github.com/moose/MooseX-LazyRequire";
       description = "Required attributes which fail only when trying to use them";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -12588,7 +12588,7 @@ let
     buildInputs = [ CPANMetaCheck ModuleBuildTiny TestFatal TestNeeds ];
     propagatedBuildInputs = [ Moose namespaceautoclean ];
     meta = {
-      homepage = https://github.com/sartak/MooseX-Role-Parameterized/tree;
+      homepage = "https://github.com/moose/MooseX-Role-Parameterized";
       description = "Roles with composition parameters";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -18850,7 +18850,7 @@ let
       sha256 = "bb8a3b8ff515c85101baf553a769337f944a05cde81f111ae78aff416bf4ae2b";
     };
     meta = {
-      homepage = https://www.shlomifish.org/open-source/projects/Text-Format/;
+      homepage = "https://metacpan.org/release/Text-Format";
       description = "Format text";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
       maintainers = with maintainers; [ bcdarwin ];
@@ -19229,7 +19229,7 @@ let
       sha256 = "ef371b1769cd8d36d2d657e8321723d94c8f8d89e7fd7437c6648c5dc6711b7a";
     };
     meta = {
-      homepage = https://github.com/2shortplanks/Test-utf8/tree;
+      homepage = "https://github.com/2shortplanks/Test-utf8";
       description = "Handy utf8 tests";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -19984,7 +19984,7 @@ let
     };
     propagatedBuildInputs = [ URI ];
     meta = {
-      homepage = http://perl.wdlabs.com/URI-ws/;
+      homepage = "https://metacpan.org/release/URI-ws";
       description = "WebSocket support for URI package";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -20131,7 +20131,7 @@ let
     propagatedBuildInputs = [ HTMLForm HTMLTree LWP ];
     doCheck = false;
     meta = {
-      homepage = https://github.com/bestpractical/www-mechanize;
+      homepage = "https://github.com/libwww-perl/WWW-Mechanize";
       description = "Handy web browsing in a Perl object";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
@@ -20701,7 +20701,7 @@ let
     buildInputs = [ TestBase TestDeep TestYAML ];
 
     meta = {
-      homepage = https://github.com/ingydotnet/yaml-pm/tree;
+      homepage = "https://github.com/ingydotnet/yaml-pm";
       description = "YAML Ain't Markup Language (tm)";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };