diff --git a/gnu/packages/acl.scm b/gnu/packages/acl.scm
index ae6764993bb..31c37a6e7bb 100644
--- a/gnu/packages/acl.scm
+++ b/gnu/packages/acl.scm
@@ -61,7 +61,7 @@
     (native-inputs
      `(("gettext" ,gettext-minimal)
        ("perl" ,perl)))
-    (home-page "http://savannah.nongnu.org/projects/acl")
+    (home-page "https://savannah.nongnu.org/projects/acl")
     (synopsis
      "Library and tools for manipulating access control lists")
     (description
diff --git a/gnu/packages/admin.scm b/gnu/packages/admin.scm
index 61ab9654f71..ccf62a6e242 100644
--- a/gnu/packages/admin.scm
+++ b/gnu/packages/admin.scm
@@ -1183,7 +1183,7 @@ network, which causes enabled computers to power on.")
        #:tests? #f                                ; no 'check' target
        #:make-flags (list (string-append "prefix="
                                          (assoc-ref %outputs "out")))))
-    (home-page "http://www.nongnu.org/dmidecode/")
+    (home-page "https://www.nongnu.org/dmidecode/")
     (synopsis "Read hardware information from the BIOS")
     (description
      "Dmidecode reports information about your system's hardware as described
diff --git a/gnu/packages/attr.scm b/gnu/packages/attr.scm
index 4dbe09cecae..fe102d211c0 100644
--- a/gnu/packages/attr.scm
+++ b/gnu/packages/attr.scm
@@ -71,7 +71,7 @@
     (native-inputs
      `(("gettext" ,gettext-minimal)))
 
-    (home-page "http://savannah.nongnu.org/projects/attr/")
+    (home-page "https://savannah.nongnu.org/projects/attr/")
     (synopsis "Library and tools for manipulating extended attributes")
     (description
      "Portable library and tools for manipulating extended attributes.")
diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index eb11d6cc4e3..97fd32ed940 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -1591,7 +1591,7 @@ to be plugged into a wide range of audio synthesis and recording packages.")
        ("libxml2" ,libxml2)))
     (native-inputs
      `(("pkg-config" ,pkg-config)))
-    (home-page "http://www.nongnu.org/lash/")
+    (home-page "https://www.nongnu.org/lash/")
     (synopsis "Audio application session manager")
     (description
      "LASH is a session management system for audio applications.  It allows
diff --git a/gnu/packages/avr.scm b/gnu/packages/avr.scm
index e9e93cbb9a6..4c7ebf5a8f8 100644
--- a/gnu/packages/avr.scm
+++ b/gnu/packages/avr.scm
@@ -100,7 +100,7 @@
              #t)))))
     (native-inputs `(("avr-binutils" ,avr-binutils)
                      ("avr-gcc" ,avr-gcc)))
-    (home-page "http://www.nongnu.org/avr-libc/")
+    (home-page "https://www.nongnu.org/avr-libc/")
     (synopsis "The AVR C Library")
     (description
      "AVR Libc is a project whose goal is to provide a high quality C library
diff --git a/gnu/packages/backup.scm b/gnu/packages/backup.scm
index a494a04047c..ca53ffe3e37 100644
--- a/gnu/packages/backup.scm
+++ b/gnu/packages/backup.scm
@@ -372,7 +372,7 @@ errors.")
     (arguments
      `(#:python ,python-2
        #:tests? #f))
-    (home-page "http://www.nongnu.org/rdiff-backup/")
+    (home-page "https://www.nongnu.org/rdiff-backup/")
     (synopsis "Local/remote mirroring+incremental backup")
     (description
      "Rdiff-backup backs up one directory to another, possibly over a network.
@@ -452,7 +452,7 @@ rsnapshot uses hard links to deduplicate identical files.")
        ("lzo" ,lzo)
        ("bzip2" ,bzip2)
        ("zlib" ,zlib)))
-    (home-page "http://nongnu.org/libchop/")
+    (home-page "https://nongnu.org/libchop/")
     (synopsis "Tools & library for data backup and distributed storage")
     (description
      "Libchop is a set of utilities and library for data backup and
diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index fc30ab746cd..9835735c841 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -153,7 +153,7 @@ the @code{zlib} source.")
                "0iginbz2m15hcsa3x4y7v3mhk54gr1r7m3ghx0pg4n46vv2snmpi"))))
    (build-system gnu-build-system)
    (inputs `(("zlib" ,zlib)))
-   (home-page "http://savannah.nongnu.org/projects/fastjar")
+   (home-page "https://savannah.nongnu.org/projects/fastjar")
    (synopsis "Replacement for Sun's 'jar' utility")
    (description
     "FastJar is an attempt to create a much faster replacement for Sun's 'jar'
@@ -475,7 +475,7 @@ some compression ratio).")
               (base32
                "1p8lvc22sv3damld9ng8y6i8z2dvvpsbi9v7yhr5bc2a20m8iya7"))))
     (build-system gnu-build-system)
-    (home-page "http://www.nongnu.org/lzip/lzip.html")
+    (home-page "https://www.nongnu.org/lzip/lzip.html")
     (synopsis "Lossless data compressor based on the LZMA algorithm")
     (description
      "Lzip is a lossless data compressor with a user interface similar to the
@@ -496,7 +496,7 @@ archiving.  Lzip is a clean implementation of the LZMA algorithm.")
                (base32
                 "0fpnmdxayvd1ff0rk9606dvr431ji6b1v71km4ww244rih1rmmzz"))))
     (build-system gnu-build-system)
-    (home-page "http://www.nongnu.org/lzip/lziprecover.html")
+    (home-page "https://www.nongnu.org/lzip/lziprecover.html")
     (synopsis "Recover and decompress data from damaged lzip files")
     (description
      "Lziprecover is a data recovery tool and decompressor for files in the lzip
@@ -1890,7 +1890,7 @@ archive can be reverted.")
     (inputs
      `(("perl" ,perl)
        ("file" ,file)))
-    (home-page "http://www.nongnu.org/atool/")
+    (home-page "https://www.nongnu.org/atool/")
     (synopsis  "Universal tool to manage file archives of various types")
     (description "The main command is @command{aunpack} which extracts files
 from an archive.  The other commands provided are @command{apack} (to create
@@ -1971,7 +1971,7 @@ algorithms in Java.")
     (arguments
      `(#:configure-flags
        (list "CC=gcc")))
-    (home-page "http://www.nongnu.org/lzip/lunzip.html")
+    (home-page "https://www.nongnu.org/lzip/lunzip.html")
     (synopsis "Small, stand-alone lzip decompressor")
     (description
      "Lunzip is a decompressor for files in the lzip compression format (.lz),
@@ -1998,7 +1998,7 @@ Lunzip is intended to be fully compatible with the regular lzip package.")
     (arguments
      `(#:configure-flags
        (list "CC=gcc")))
-    (home-page "http://www.nongnu.org/lzip/clzip.html")
+    (home-page "https://www.nongnu.org/lzip/clzip.html")
     (synopsis "Small, stand-alone lzip compressor and decompressor")
     (description
      "Clzip is a compressor and decompressor for files in the lzip compression
@@ -2027,7 +2027,7 @@ Clzip is intended to be fully compatible with the regular lzip package.")
      `(#:configure-flags
        (list "CC=gcc"
              "--enable-shared")))       ; only static (.a) is built by default
-    (home-page "http://www.nongnu.org/lzip/lzlib.html")
+    (home-page "https://www.nongnu.org/lzip/lzlib.html")
     (synopsis "Lzip data compression C library")
     (description
      "Lzlib is a C library for in-memory LZMA compression and decompression in
@@ -2051,7 +2051,7 @@ corrupted input.")
     (build-system gnu-build-system)
     (inputs
      `(("lzlib" ,lzlib)))
-    (home-page "http://www.nongnu.org/lzip/plzip.html")
+    (home-page "https://www.nongnu.org/lzip/plzip.html")
     (synopsis "Parallel lossless data compressor for the lzip format")
     (description
      "Plzip is a massively parallel (multi-threaded) lossless data compressor
diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index 0d25ea2b2c9..3fd41e1d442 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -334,7 +334,7 @@ editor (without an X toolkit)" )
              #t)))))
     (inputs `(("guile" ,guile-2.0)))
     (native-inputs `(("emacs" ,emacs-minimal)))
-    (home-page "http://nongnu.org/geiser/")
+    (home-page "https://nongnu.org/geiser/")
     (synopsis "Collection of Emacs modes for Guile and Racket hacking")
     (description
      "Geiser is a collection of Emacs major and minor modes that conspire with
@@ -1026,7 +1026,7 @@ within a specified width.  It is useful for displaying long track titles.")
                  (symlink "bbdb-loaddefs.el" "bbdb-autoloads.el")))
              #t)))))
     (native-inputs `(("emacs" ,emacs-minimal)))
-    (home-page "http://savannah.nongnu.org/projects/bbdb/")
+    (home-page "https://savannah.nongnu.org/projects/bbdb/")
     (synopsis "Contact management utility for Emacs")
     (description
      "BBDB is the Insidious Big Brother Database for GNU Emacs.  It provides
@@ -4632,7 +4632,7 @@ extensibility.")
     ;; With `guix lint' the home-page URI returns a small page saying
     ;; that your browser does not handle frames. This triggers the "URI
     ;; returns suspiciously small file" warning.
-    (home-page "http://www.nongnu.org/m17n/")
+    (home-page "https://www.nongnu.org/m17n/")
     (synopsis "Multilingual text processing library (database)")
     (description "The m17n library realizes multilingualization of
 many aspects of applications.  The m17n library represents
@@ -4668,7 +4668,7 @@ This package contains the library database.")
     ;; With `guix lint' the home-page URI returns a small page saying
     ;; that your browser does not handle frames. This triggers the "URI
     ;; returns suspiciously small file" warning.
-    (home-page "http://www.nongnu.org/m17n/")
+    (home-page "https://www.nongnu.org/m17n/")
     (synopsis "Multilingual text processing library (runtime)")
     (description "The m17n library realizes multilingualization of
 many aspects of applications.  The m17n library represents
diff --git a/gnu/packages/flashing-tools.scm b/gnu/packages/flashing-tools.scm
index 5b79c83a403..5309510d402 100644
--- a/gnu/packages/flashing-tools.scm
+++ b/gnu/packages/flashing-tools.scm
@@ -140,7 +140,7 @@ brick your device.")
     (native-inputs
      `(("bison" ,bison)
        ("flex" ,flex)))
-    (home-page "http://www.nongnu.org/avrdude/")
+    (home-page "https://www.nongnu.org/avrdude/")
     (synopsis "AVR downloader and uploader")
     (description
      "AVRDUDE is a utility to download/upload/manipulate the ROM and
diff --git a/gnu/packages/fontutils.scm b/gnu/packages/fontutils.scm
index 19d51719561..387c4689d8a 100644
--- a/gnu/packages/fontutils.scm
+++ b/gnu/packages/fontutils.scm
@@ -444,7 +444,7 @@ resolution.")
     (build-system gnu-build-system)
     (propagated-inputs
      `(("freetype" ,freetype)))
-    (home-page "http://www.nongnu.org/m17n/")
+    (home-page "https://www.nongnu.org/m17n/")
     (synopsis "Library for handling OpenType Font")
     (description "This library can read Open Type Layout Tables from an OTF
 file.  Currently these tables are supported; head, name, cmap, GDEF, GSUB, and
diff --git a/gnu/packages/game-development.scm b/gnu/packages/game-development.scm
index a276be692b1..5da40b1ae21 100644
--- a/gnu/packages/game-development.scm
+++ b/gnu/packages/game-development.scm
@@ -240,7 +240,7 @@ PCM data.")
               ("ncurses" ,ncurses)
               ("sdl" ,sdl)
               ("zlib" ,zlib)))
-    (home-page "http://www.nongnu.org/gzochi/")
+    (home-page "https://www.nongnu.org/gzochi/")
     (synopsis "Scalable middleware for multiplayer games")
     (description
      "gzochi is a framework for developing massively multiplayer online games.
diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index 286d0feef24..5004e721617 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -4725,7 +4725,7 @@ The Flag.  You can even design your own maps!")
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("imagemagick" ,imagemagick)))
-    (home-page "http://www.nongnu.org/enigma")
+    (home-page "https://www.nongnu.org/enigma")
     (synopsis "Puzzle game with a dexterity component")
     (description "Enigma is a puzzle game with 550 unique levels.  The object
 of the game is to find and uncover pairs of identically colored ‘Oxyd’ stones.
diff --git a/gnu/packages/gsasl.scm b/gnu/packages/gsasl.scm
index 727d0f0d52a..8b15a7ce09f 100644
--- a/gnu/packages/gsasl.scm
+++ b/gnu/packages/gsasl.scm
@@ -45,7 +45,7 @@
     (description
      "Libntlm is a library that implements NTLM authentication.")
     (license license:lgpl2.1+)
-    (home-page "http://www.nongnu.org/libntlm/")))
+    (home-page "https://www.nongnu.org/libntlm/")))
 
 (define-public gss
   (package
diff --git a/gnu/packages/gtk.scm b/gnu/packages/gtk.scm
index c66a3e5a17a..86dff08e409 100644
--- a/gnu/packages/gtk.scm
+++ b/gnu/packages/gtk.scm
@@ -803,7 +803,7 @@ application suites.")
      `(("cairo" ,cairo)))
     (native-inputs
      `(("pkg-config" ,pkg-config)))
-    (home-page "http://www.nongnu.org/guile-cairo/")
+    (home-page "https://www.nongnu.org/guile-cairo/")
     (synopsis "Cairo bindings for GNU Guile")
     (description
      "Guile-Cairo wraps the Cairo graphics library for Guile Scheme.
diff --git a/gnu/packages/guile.scm b/gnu/packages/guile.scm
index 7c03a9c86b9..9005779826d 100644
--- a/gnu/packages/guile.scm
+++ b/gnu/packages/guile.scm
@@ -528,7 +528,7 @@ document syntax.
 Guile-Reader’s approach is similar to Common Lisp’s “read table”, but
 hopefully more powerful and flexible (for instance, one may instantiate as
 many readers as needed).")
-    (home-page "http://www.nongnu.org/guile-reader/")
+    (home-page "https://www.nongnu.org/guile-reader/")
     (license license:gpl3+)))
 
 (define-public guile2.0-reader
@@ -739,7 +739,7 @@ $(libdir)/guile/@GUILE_EFFECTIVE_VERSION@/site-ccache\n"))
              #t)))))
     (native-inputs `(("pkg-config" ,pkg-config)))
     (inputs `(("guile" ,guile-2.2)))
-    (home-page "http://www.nongnu.org/guile-lib/")
+    (home-page "https://www.nongnu.org/guile-lib/")
     (synopsis "Collection of useful Guile Scheme modules")
     (description
      "Guile-Lib is intended as an accumulation place for pure-scheme Guile
@@ -782,7 +782,7 @@ for Guile\".")
                      (string-append all "/@GUILE_EFFECTIVE_VERSION@")))))))
     (build-system gnu-build-system)
     (native-inputs `(("guile" ,guile-2.2)))
-    (home-page "http://savannah.nongnu.org/projects/guile-json/")
+    (home-page "https://savannah.nongnu.org/projects/guile-json/")
     (synopsis "JSON module for Guile")
     (description
      "Guile-JSON supports parsing and building JSON documents according to the
@@ -1290,7 +1290,7 @@ above command-line parameters.")
     (build-system gnu-build-system)
     (native-inputs
      `(("guile" ,guile-2.0)))
-    (home-page "http://savannah.nongnu.org/projects/guile-redis/")
+    (home-page "https://savannah.nongnu.org/projects/guile-redis/")
     (synopsis "Redis client library for Guile")
     (description "Guile-redis provides a Scheme interface to the Redis
 key-value cache and store.")
@@ -1460,7 +1460,7 @@ wrappers for inter-language calls.  It currently only supports generating Guile
 wrappers for C functions.  Given a definition of the types and prototypes for
 a given C interface, G-Wrap will automatically generate the C code that
 provides access to that interface and its types from the Scheme level.")
-    (home-page "http://www.nongnu.org/g-wrap/index.html")
+    (home-page "https://www.nongnu.org/g-wrap/index.html")
     (license license:lgpl2.1+)))
 
 (define-public guile-dbi
diff --git a/gnu/packages/libunwind.scm b/gnu/packages/libunwind.scm
index e747d37787a..578154f70d4 100644
--- a/gnu/packages/libunwind.scm
+++ b/gnu/packages/libunwind.scm
@@ -41,7 +41,7 @@
      ;; expected to fail).
      ;; Report them upstream.
      '(#:tests? #f))
-    (home-page "http://www.nongnu.org/libunwind")
+    (home-page "https://www.nongnu.org/libunwind")
     (synopsis "Determining the call chain of a program")
     (description
      "The primary goal of this project is to define a portable and efficient C
diff --git a/gnu/packages/lout.scm b/gnu/packages/lout.scm
index f2c724ae070..1a1d0b32744 100644
--- a/gnu/packages/lout.scm
+++ b/gnu/packages/lout.scm
@@ -124,4 +124,4 @@ TeX macros because Lout is a high-level, purely functional language, the
 outcome of an eight-year research project that went back to the
 beginning.")
     (license gpl3+)
-    (home-page "http://savannah.nongnu.org/projects/lout/"))))
+    (home-page "https://savannah.nongnu.org/projects/lout/"))))
diff --git a/gnu/packages/mpd.scm b/gnu/packages/mpd.scm
index 82681aa68ab..ac1fe51f15c 100644
--- a/gnu/packages/mpd.scm
+++ b/gnu/packages/mpd.scm
@@ -332,5 +332,5 @@ interface for the Music Player Daemon.")
     (description "Sonata is an elegant graphical client for the Music Player
 Daemon (MPD).  It supports playlists, multiple profiles (connecting to different
 MPD servers, search and multimedia key support.")
-    (home-page "http://www.nongnu.org/sonata/")
+    (home-page "https://www.nongnu.org/sonata/")
     (license license:gpl3+)))
diff --git a/gnu/packages/networking.scm b/gnu/packages/networking.scm
index 69da2e21ab9..1e036785728 100644
--- a/gnu/packages/networking.scm
+++ b/gnu/packages/networking.scm
@@ -1427,7 +1427,7 @@ acts as an abstraction layer to the underlying Unix kernel and presents the
 Zserv API over a Unix or TCP stream to Quagga clients.  It is these Zserv
 clients which typically implement a routing protocol and communicate routing
 updates to the zebra daemon.")
-    (home-page "http://www.nongnu.org/quagga/")
+    (home-page "https://www.nongnu.org/quagga/")
     (license license:gpl2+)))
 
 (define-public thc-ipv6
diff --git a/gnu/packages/ratpoison.scm b/gnu/packages/ratpoison.scm
index e68b345b066..d630c24fd43 100644
--- a/gnu/packages/ratpoison.scm
+++ b/gnu/packages/ratpoison.scm
@@ -82,7 +82,7 @@
      `(("perl",perl)
        ("pkg-config" ,pkg-config)
        ("ratpoison.desktop" ,ratpoison.desktop)))
-    (home-page "http://www.nongnu.org/ratpoison/")
+    (home-page "https://www.nongnu.org/ratpoison/")
     (synopsis "Simple mouse-free tiling window manager")
     (description
      "Ratpoison is a simple window manager with no fat library
diff --git a/gnu/packages/skribilo.scm b/gnu/packages/skribilo.scm
index 87dc3558deb..f10acaec701 100644
--- a/gnu/packages/skribilo.scm
+++ b/gnu/packages/skribilo.scm
@@ -77,7 +77,7 @@
     (propagated-inputs `(("guile-reader" ,guile2.0-reader)
                          ("guile-lib" ,guile2.0-lib)))
 
-    (home-page "http://www.nongnu.org/skribilo/")
+    (home-page "https://www.nongnu.org/skribilo/")
     (synopsis "Document production tool written in Guile Scheme")
     (description
      "Skribilo is a free document production tool that takes a structured
diff --git a/gnu/packages/telephony.scm b/gnu/packages/telephony.scm
index 53bc9f950bc..018de0c6ce6 100644
--- a/gnu/packages/telephony.scm
+++ b/gnu/packages/telephony.scm
@@ -162,7 +162,7 @@ multiplayer games.")
    (license license:gpl2+)
    ;; (plus OpenSSL linking exception)
    ;; http://git.savannah.gnu.org/cgit/exosip.git/plain/LICENSE.OpenSSL
-    (home-page "http://savannah.nongnu.org/projects/exosip")))
+    (home-page "https://savannah.nongnu.org/projects/exosip")))
 
 (define-public sipwitch
   (package
diff --git a/gnu/packages/texinfo.scm b/gnu/packages/texinfo.scm
index 8c33023bd06..7b9121bf809 100644
--- a/gnu/packages/texinfo.scm
+++ b/gnu/packages/texinfo.scm
@@ -165,7 +165,7 @@ is on expressing the content semantically, avoiding physical markup commands.")
      ;; texi2html.pl to avoid the warnings seems non-trivial, so we simply
      ;; disable the tests.
      '(#:tests? #f))
-    (home-page "http://www.nongnu.org/texi2html/")
+    (home-page "https://www.nongnu.org/texi2html/")
     (synopsis "Convert Texinfo to HTML")
     (description
      "Texi2HTML is a Perl script which converts Texinfo source files to HTML
diff --git a/gnu/packages/xdisorg.scm b/gnu/packages/xdisorg.scm
index c81e5ad01fb..70a987b05b2 100644
--- a/gnu/packages/xdisorg.scm
+++ b/gnu/packages/xdisorg.scm
@@ -722,7 +722,7 @@ transparent text on your screen.")
     (inputs
      `(("libx11" ,libx11)
        ("guile" ,guile-2.0)))
-    (home-page "http://www.nongnu.org/xbindkeys/")
+    (home-page "https://www.nongnu.org/xbindkeys/")
     (synopsis "Associate a combination of keys with a shell command")
     (description
      "XBindKeys is a program that allows you to launch shell commands with