diff --git a/packages/daq.rb b/packages/daq.rb
index c8312017c6..5ff215bf65 100644
--- a/packages/daq.rb
+++ b/packages/daq.rb
@@ -4,6 +4,7 @@ class Daq < Package
   description 'Data Acquisition library, for packet I/O.'
   homepage 'https://www.snort.org'
   version '2.0.6'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'https://www.snort.org/downloads/snort/daq-2.0.6.tar.gz'
   source_sha256 'd41da5f7793e66044e6927dd868c0525e7ee4ec1a3515bf74ef9a30cd9273af0'
diff --git a/packages/darkhttpd.rb b/packages/darkhttpd.rb
index fef7dbce95..f83c5c8ed2 100644
--- a/packages/darkhttpd.rb
+++ b/packages/darkhttpd.rb
@@ -4,6 +4,7 @@ class Darkhttpd < Package
   description 'Minimal webserver written by Emil Mikulic'
   homepage 'https://unix4lyfe.org/darkhttpd/'
   version '1.12'
+  license 'ISC'
   compatibility 'all'
   source_url 'https://unix4lyfe.org/darkhttpd/darkhttpd-1.12.tar.bz2'
   source_sha256 'a50417b622b32b5f421b3132cb94ebeff04f02c5fb87fba2e31147d23de50505'
diff --git a/packages/dart.rb b/packages/dart.rb
index 50b7e0bd9b..fd7d2a17f0 100644
--- a/packages/dart.rb
+++ b/packages/dart.rb
@@ -2,9 +2,10 @@ require 'package'
 
 class Dart < Package
   description 'The Dart SDK is a set of tools and libraries for the Dart programming language.  You can find information about Dart online at dartlang.org.'
-  homepage 'https://www.dartlang.org'
+  homepage 'https://dart.dev/'
   @_ver = '2.10.5'
   version @_ver
+  license 'BSD-3'
   compatibility 'all'
   case ARCH
   when 'aarch64', 'armv7l'
diff --git a/packages/dash.rb b/packages/dash.rb
index cfe39ff1cb..f328d76593 100644
--- a/packages/dash.rb
+++ b/packages/dash.rb
@@ -4,6 +4,7 @@ class Dash < Package
   description 'The Debian Almquist Shell (dash) is a POSIX-compliant shell derived from ash that executes scripts faster than bash and has fewer library dependencies.'
   homepage 'https://salsa.debian.org/debian/dash'
   version '0.5.11.1'
+  license 'BSD'
   compatibility 'all'
   source_url 'https://salsa.debian.org/debian/dash/-/archive/upstream/0.5.11.1/dash-upstream-0.5.11.1.tar.bz2'
   source_sha256 '4bb75944bb47fa6d1cf1e8a3ff941f6f1fb23497b553446e9f615d52d07ef1e7'
diff --git a/packages/datamash.rb b/packages/datamash.rb
index 42a1f21c59..a8fb5b2173 100644
--- a/packages/datamash.rb
+++ b/packages/datamash.rb
@@ -4,6 +4,7 @@ class Datamash < Package
   description 'GNU Datamash is a command-line program which performs basic numeric,textual and statistical operations on input textual data files.'
   homepage 'http://savannah.gnu.org/projects/datamash'
   version '1.3'
+  license 'GPL-3'
   compatibility 'all'
   source_url 'https://ftpmirror.gnu.org/datamash/datamash-1.3.tar.gz'
   source_sha256 'eebb52171a4353aaad01921384098cf54eb96ebfaf99660e017f6d9fc96657a6'
diff --git a/packages/dav1d.rb b/packages/dav1d.rb
index 607de1e452..29dcb42513 100644
--- a/packages/dav1d.rb
+++ b/packages/dav1d.rb
@@ -5,6 +5,7 @@ class Dav1d < Package
   homepage 'https://code.videolan.org/videolan/dav1d'
   @_ver = '0.8.2'
   version @_ver
+  license 'BSD-2'
   compatibility 'all'
   source_url "https://get.videolan.org/dav1d/#{@_ver}/dav1d-#{@_ver}.tar.xz"
   source_sha256 '3dd91d96b44e9d8ba7e82ad9e730d6c579ab5e19edca0db857a60f5ae6a0eb13'
diff --git a/packages/dbus.rb b/packages/dbus.rb
index a4000f2140..565c73a8ff 100644
--- a/packages/dbus.rb
+++ b/packages/dbus.rb
@@ -4,6 +4,7 @@ class Dbus < Package
   description 'D-Bus is a message bus system, a simple way for applications to talk to one another.'
   homepage 'https://www.freedesktop.org/wiki/Software/dbus/'
   version '1.13.18'
+  license 'Apache-2.0'
   compatibility 'all'
   source_url 'https://dbus.freedesktop.org/releases/dbus/dbus-1.13.18.tar.xz'
   source_sha256 '8078f5c25e34ab907ce06905d969dc8ef0ccbec367e1e1707c7ecf8460f4254e'
diff --git a/packages/dbus_glib.rb b/packages/dbus_glib.rb
index 4ced1e366c..a600e8e7b5 100644
--- a/packages/dbus_glib.rb
+++ b/packages/dbus_glib.rb
@@ -4,6 +4,7 @@ class Dbus_glib < Package
   description 'The D-Bus GLib package contains GLib interfaces to the D-Bus API.'
   homepage 'http://www.linuxfromscratch.org/blfs/view/svn/general/dbus-glib.html'
   version '0.110'
+  license 'GPL-2 or AFL-2.1'
   compatibility 'all'
   source_url 'https://dbus.freedesktop.org/releases/dbus-glib/dbus-glib-0.110.tar.gz'
   source_sha256 '7ce4760cf66c69148f6bd6c92feaabb8812dee30846b24cd0f7395c436d7e825'
diff --git a/packages/dconf.rb b/packages/dconf.rb
index 9837411e1e..b85fa80605 100644
--- a/packages/dconf.rb
+++ b/packages/dconf.rb
@@ -4,6 +4,7 @@ class Dconf < Package
   description 'The DConf package contains a low-level configuration system.'
   homepage 'https://wiki.gnome.org/Projects/dconf'
   version '0.39.1'
+  license 'LGPL-2.1+'
   compatibility 'all'
   source_url 'https://download.gnome.org/core/40/40.beta/sources/dconf-0.39.1.tar.xz'
   source_sha256 '9a3870bf07b8e0452e22ce068d51c7f19c1e1cfeacd9883c03523822afdff665'
diff --git a/packages/dconf_editor.rb b/packages/dconf_editor.rb
index 524f6d5c90..53a3b18b46 100644
--- a/packages/dconf_editor.rb
+++ b/packages/dconf_editor.rb
@@ -4,6 +4,7 @@ class Dconf_editor < Package
   description 'A graphical viewer and editor of applications internal settings.'
   homepage 'https://wiki.gnome.org/Apps/DconfEditor'
   version '3.38.2'
+  license 'GPL-3+'
   compatibility 'all'
   source_url 'https://download.gnome.org/sources/dconf-editor/3.38/dconf-editor-3.38.2.tar.xz'
   source_sha256 '1253dad87e6213fbf313ff9ec9dc4358aa1b10261f28072c1dc0e0997b92f835'
diff --git a/packages/ddrescue.rb b/packages/ddrescue.rb
index 687fef8105..b81e15c02b 100644
--- a/packages/ddrescue.rb
+++ b/packages/ddrescue.rb
@@ -4,6 +4,7 @@ class Ddrescue < Package
   description 'GNU ddrescue is a data recovery tool.'
   homepage 'https://www.gnu.org/software/ddrescue/'
   version '1.25'
+  license 'GPL-2+'
   compatibility 'all'
   source_url 'https://ftpmirror.gnu.org/ddrescue/ddrescue-1.25.tar.lz'
   source_sha256 'ce538ebd26a09f45da67d3ad3f7431932428231ceec7a2d255f716fa231a1063'
diff --git a/packages/dehtml.rb b/packages/dehtml.rb
index 019b529990..3f6758e4ff 100644
--- a/packages/dehtml.rb
+++ b/packages/dehtml.rb
@@ -4,6 +4,7 @@ class Dehtml < Package
   description 'Dehtml removes HTML constructs from documents for indexing, spell checking and so on.'
   homepage 'http://www.moria.de/~michael/dehtml/'
   version '1.8'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'http://www.moria.de/~michael/dehtml/dehtml-1.8.tar.gz'
   source_sha256 'a00e86643b0aa73861e9d8d619a80370f0f99519d34ce12459fab77f5f6b5bde'
diff --git a/packages/dejagnu.rb b/packages/dejagnu.rb
index c46141ee66..d8ecfd2f01 100644
--- a/packages/dejagnu.rb
+++ b/packages/dejagnu.rb
@@ -4,6 +4,7 @@ class Dejagnu < Package
   description 'DejaGnu is a framework for running test suites on GNU tools.'
   homepage 'http://www.gnu.org/s/dejagnu/'
   version '1.6.1'
+  license 'GPL-3'
   compatibility 'all'
   source_url 'https://ftpmirror.gnu.org/dejagnu/dejagnu-1.6.1.tar.gz'
   source_sha256 'bf5b28bb797e0ace4cfc0766a996339c795d8223bef54158be7887046bc01692'
diff --git a/packages/deployer.rb b/packages/deployer.rb
index e715211b51..a73f49be27 100644
--- a/packages/deployer.rb
+++ b/packages/deployer.rb
@@ -4,6 +4,7 @@ class Deployer < Package
   description 'A deployment tool for PHP'
   homepage 'https://deployer.org/'
   version '6.7.3'
+  license 'MIT'
   compatibility 'all'
   source_url 'https://github.com/deployphp/deployer/archive/v6.7.3.tar.gz'
   source_sha256 '81e5cea09f68b898d72a52ea6c4401fbc4cc1bc2fc30d488acce6e8fdef59d79'
diff --git a/packages/depot_tools.rb b/packages/depot_tools.rb
index d1b9322f61..d6728924c2 100644
--- a/packages/depot_tools.rb
+++ b/packages/depot_tools.rb
@@ -2,8 +2,9 @@ require 'package'
 
 class Depot_tools < Package
   description 'Chromium uses a package of scripts, the depot_tools, to manage interaction with the Chromium source code repository and the Chromium development process.'
-  homepage 'http://dev.chromium.org/developers/how-tos/depottools'
+  homepage 'https://dev.chromium.org/developers/how-tos/depottools'
   version '906bfde9'
+  license 'BSD-Google'
   compatibility 'all'
   source_url 'file:///dev/null'
   source_sha256 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855'
diff --git a/packages/desktop-file-utilities.rb b/packages/desktop-file-utilities.rb
new file mode 100644
index 0000000000..ec80027dd5
--- /dev/null
+++ b/packages/desktop-file-utilities.rb
@@ -0,0 +1,14 @@
+require 'package'
+
+class Desktop_file_utilities < Package
+  description 'A package file for legacy compatibility'
+  homepage ''
+  version '1.0'
+  license 'GPL-3+'
+  compatibility 'all'
+  
+  is_fake
+
+  depends_on 'desktop_file_utils'
+
+end
diff --git a/packages/desktop_file_utilities.rb b/packages/desktop_file_utils.rb
similarity index 93%
rename from packages/desktop_file_utilities.rb
rename to packages/desktop_file_utils.rb
index 1b2c7f5d55..789eb98c1c 100644
--- a/packages/desktop_file_utilities.rb
+++ b/packages/desktop_file_utils.rb
@@ -1,9 +1,10 @@
 require 'package'
 
-class Desktop_file_utilities < Package
+class Desktop_file_utils < Package
   description 'contains a few command line utilities for working with desktop entries'
   homepage 'https://www.freedesktop.org/wiki/Software/desktop-file-utils/'
   version '0.23'
+  license 'GPL-2+'
   compatibility 'all'
   source_url 'https://www.freedesktop.org/software/desktop-file-utils/releases/desktop-file-utils-0.23.tar.xz'
   source_sha256 '6c094031bdec46c9f621708f919084e1cb5294e2c5b1e4c883b3e70cb8903385'
@@ -22,7 +23,7 @@ class Desktop_file_utilities < Package
   })
 
   def self.build
-    system "./configure --prefix=#{CREW_PREFIX}"
+    system "./configure #{CREW_OPTIONS}"
     system 'make'
   end
 
diff --git a/packages/detox.rb b/packages/detox.rb
index 50175442ab..7349d37961 100644
--- a/packages/detox.rb
+++ b/packages/detox.rb
@@ -4,6 +4,7 @@ class Detox < Package
   description 'Detox is a utility designed to clean up filenames. It replaces non-standard characters, such as spaces, with standard equivalents.'
   homepage 'https://sourceforge.net/projects/detox/'
   version '1.2.0'
+  license 'BSD'
   compatibility 'all'
   source_url 'https://downloads.sourceforge.net/project/detox/detox/1.2.0/detox-1.2.0.tar.bz2'
   source_sha256 'abfad90ee7d3e0fc53ce3b9da3253f9a800cdd92e3f8cc12a19394a7b1dcdbf8'
diff --git a/packages/devil.rb b/packages/devil.rb
index ca0ae92a3a..ab7f46f0b3 100644
--- a/packages/devil.rb
+++ b/packages/devil.rb
@@ -4,6 +4,7 @@ class Devil < Package
   description 'Library for reading several different image formats'
   homepage 'http://openil.sourceforge.net/'
   version '1.8.0-e342'
+  license 'LGPL-2.1'
   compatibility 'all'
   source_url 'https://github.com/DentonW/DevIL/archive/e34284a7e07763769f671a74b4fec718174ad862.zip'
   source_sha256 '73728ff9f877b9247728ae46148866eea81092ccefb538a28640fe31b73d74ac'
diff --git a/packages/dfc.rb b/packages/dfc.rb
index 5159eae43d..5a34da251d 100644
--- a/packages/dfc.rb
+++ b/packages/dfc.rb
@@ -4,6 +4,7 @@ class Dfc < Package
   description 'dfc displays file system space usage using graphs and colors.'
   homepage 'https://projects.gw-computing.net/projects/dfc'
   version '3.1.1'
+  license 'BSD'
   compatibility 'all'
   source_url 'https://projects.gw-computing.net/attachments/download/615/dfc-3.1.1.tar.gz'
   source_sha256 '962466e77407dd5be715a41ffc50a54fce758a78831546f03a6bb282e8692e54'
diff --git a/packages/dfu_util.rb b/packages/dfu_util.rb
index 9d6d2f5dcc..6966b3e4f6 100644
--- a/packages/dfu_util.rb
+++ b/packages/dfu_util.rb
@@ -4,6 +4,7 @@ class Dfu_util < Package
   description 'DFU is intended to download and upload firmware to/from devices connected over USB.'
   homepage 'http://dfu-util.gnumonks.org/'
   version '0.9'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'http://dfu-util.sourceforge.net/releases/dfu-util-0.9.tar.gz'
   source_sha256 '36428c6a6cb3088cad5a3592933385253da5f29f2effa61518ee5991ea38f833'
diff --git a/packages/di.rb b/packages/di.rb
index 3a072e0d08..bfe087fd47 100644
--- a/packages/di.rb
+++ b/packages/di.rb
@@ -1,9 +1,10 @@
 require 'package'
 
 class Di < Package
-  description '\'di\' is a disk information utility, displaying everything (and more) that your \'df\' command does.'
+  description 'DI is a disk information utility, displaying everything (and more) that your \'df\' command does.'
   homepage 'http://gentoo.com/di/'
   version '4.47.1'
+  license 'ZLIB'
   compatibility 'all'
   source_url 'https://gentoo.com/di/di-4.47.1.tar.gz'
   source_sha256 'eea8ad94197d9f11790afea0924d8bf29ec001c32eb6209e81c4e13766a2abad'
diff --git a/packages/dia.rb b/packages/dia.rb
index f645c2f76e..92d2299e88 100644
--- a/packages/dia.rb
+++ b/packages/dia.rb
@@ -4,6 +4,7 @@ class Dia < Package
   description 'Dia Diagram Editor is free Open Source drawing software for Windows, Mac OS X and Linux.'
   homepage 'http://dia-installer.de/'
   version '0.97.2-1'
+  license 'GPL-2'
   compatibility 'aarch64,armv7l,x86_64'
   case ARCH
   when 'aarch64', 'armv7l', 'x86_64'
diff --git a/packages/diffuse.rb b/packages/diffuse.rb
index c3626f0f11..d07dcca41c 100644
--- a/packages/diffuse.rb
+++ b/packages/diffuse.rb
@@ -4,6 +4,7 @@ class Diffuse < Package
   description 'graphical tool for merging and comparing text files'
   homepage 'http://diffuse.sourceforge.net/'
   version '0.4.8'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'https://downloads.sourceforge.net/project/diffuse/diffuse/0.4.8/diffuse-0.4.8.tar.bz2'
   source_sha256 'c1d3b79bba9352fcb9aa4003537d3fece248fb824781c5e21f3fcccafd42df2b'
diff --git a/packages/diffutils.rb b/packages/diffutils.rb
index 382ae0bb30..24c35c5f39 100644
--- a/packages/diffutils.rb
+++ b/packages/diffutils.rb
@@ -4,6 +4,7 @@ class Diffutils < Package
   description 'GNU Diffutils is a package of several programs related to finding differences between files.'
   homepage 'https://www.gnu.org/software/diffutils/'
   version '3.7'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'https://ftpmirror.gnu.org/diffutils/diffutils-3.7.tar.xz'
   source_sha256 'b3a7a6221c3dc916085f0d205abf6b8e1ba443d4dd965118da364a1dc1cb3a26'
diff --git a/packages/diskscan.rb b/packages/diskscan.rb
index 0041b0f8bc..8d1896930a 100644
--- a/packages/diskscan.rb
+++ b/packages/diskscan.rb
@@ -4,6 +4,7 @@ class Diskscan < Package
   description 'diskscan is intended to find sectors of a storage medium (hard disk, flash drive or pendrive, etc.) which are bad or in the process of going bad.'
   homepage 'http://blog.disksurvey.org/proj/diskscan/'
   version '0.20'
+  license 'GPL-3+'
   compatibility 'all'
   source_url 'https://github.com/baruch/diskscan/archive/0.20.tar.gz'
   source_sha256 '86038b3eb45fd4b2485a4ffba1949c68bea66f13a4c991265e3d527f022ed966'
diff --git a/packages/disktype.rb b/packages/disktype.rb
index 6c1d63acef..7ac57037b4 100644
--- a/packages/disktype.rb
+++ b/packages/disktype.rb
@@ -4,6 +4,7 @@ class Disktype < Package
   description 'Detects the content format of a disk or disk image by checking for signatures of file systems, partition tables, and boot codes.'
   homepage 'https://sourceforge.net/projects/disktype/'
   version '9'
+  license 'BSD'
   compatibility 'all'
   source_url 'http://downloads.sourceforge.net/project/disktype/disktype/9/disktype-9.tar.gz'
   source_sha256 'b6701254d88412bc5d2db869037745f65f94b900b59184157d072f35832c1111'
diff --git a/packages/diy.rb b/packages/diy.rb
index 2e49828618..6a836af62b 100644
--- a/packages/diy.rb
+++ b/packages/diy.rb
@@ -4,6 +4,7 @@ class Diy < Package
   description 'data-parallel out-of-core library'
   homepage 'https://github.com/diatomic/diy'
   version '3.5.0'
+  license 'custom'
   compatibility 'all'
   source_url 'https://github.com/diatomic/diy/archive/3.5.0.tar.gz'
   source_sha256 'b3b5490441d521b6e9b33471c782948194bf95c7c3df3eb97bc5cf4530b91576'
diff --git a/packages/dmidecode.rb b/packages/dmidecode.rb
index 40ba0cacc3..692a0ad9f1 100644
--- a/packages/dmidecode.rb
+++ b/packages/dmidecode.rb
@@ -4,6 +4,7 @@ class Dmidecode < Package
   description "Dmidecode reports information about your system's hardware as described in your system BIOS according to the SMBIOS/DMI standard (see a sample output)."
   homepage 'http://www.nongnu.org/dmidecode/'
   version '3.2'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'https://download.savannah.gnu.org/releases/dmidecode/dmidecode-3.2.tar.xz'
   source_sha256 '077006fa2da0d06d6383728112f2edef9684e9c8da56752e97cd45a11f838edd'
diff --git a/packages/dnsmasq.rb b/packages/dnsmasq.rb
index ad6dc93863..3a40ed268d 100644
--- a/packages/dnsmasq.rb
+++ b/packages/dnsmasq.rb
@@ -4,6 +4,7 @@ class Dnsmasq < Package
   description 'Lightweight, easy to configure DNS forward ,TFTP server and DHCP server'
   homepage 'http://www.thekelleys.org.uk/dnsmasq/doc.html'
   version '2.80'
+  license 'GPL-2 or GPL-3'
   compatibility 'all'
   source_url 'http://thekelleys.org.uk/dnsmasq/dnsmasq-2.80.tar.xz'
   source_sha256 'cdaba2785e92665cf090646cba6f94812760b9d7d8c8d0cfb07ac819377a63bb'
diff --git a/packages/docbook.rb b/packages/docbook.rb
index 3e91665755..282d3e554c 100644
--- a/packages/docbook.rb
+++ b/packages/docbook.rb
@@ -4,12 +4,13 @@ class Docbook < Package
   description 'DocBook is an XML vocabulary that lets you create documents in a presentation-neutral form that captures the logical structure of your content.'
   homepage 'http://docbook.sourceforge.net/'
   version '1.79.1-2'
+  license 'GPL-3+'
   compatibility 'all'
- 
+
   is_fake
 
   depends_on 'docbook_xml'
   depends_on 'docbook_xsl'
   depends_on 'docbook_xsl_nons'
-  
+
 end
diff --git a/packages/docbook2x.rb b/packages/docbook2x.rb
index 36f1807e2e..43a8f27e85 100644
--- a/packages/docbook2x.rb
+++ b/packages/docbook2x.rb
@@ -4,6 +4,7 @@ class Docbook2x < Package
   description 'docbook2X is a software package that converts DocBook documents into the traditional Unix man page format and the GNU Texinfo format.'
   homepage 'http://docbook2x.sourceforge.net/'
   version '0.8.8'
+  license 'MIT'
   compatibility 'all'
   source_url 'https://downloads.sourceforge.net/project/docbook2x/docbook2x/0.8.8/docbook2X-0.8.8.tar.gz'
   source_sha256 '4077757d367a9d1b1427e8d5dfc3c49d993e90deabc6df23d05cfe9cd2fcdc45'
diff --git a/packages/docbook_xml.rb b/packages/docbook_xml.rb
index eb5fa01461..ec273ab84a 100644
--- a/packages/docbook_xml.rb
+++ b/packages/docbook_xml.rb
@@ -2,9 +2,10 @@ require 'package'
 
 class Docbook_xml < Package
   description 'Meta package for all versions of docbook_xml'
-  compatibility 'all'
   homepage 'http://www.docbook.org'
   version '5.1-2'
+  license 'MIT'
+  compatibility 'all'
 
   is_fake
 
diff --git a/packages/docbook_xml412.rb b/packages/docbook_xml412.rb
index bfa1c26167..4a8d521d1d 100644
--- a/packages/docbook_xml412.rb
+++ b/packages/docbook_xml412.rb
@@ -5,6 +5,7 @@ class Docbook_xml412 < Package
   homepage 'https://www.oasis-open.org/docbook/'
   @_ver = '4.1.2'
   version @_ver
+  license 'MIT'
   compatibility 'all'
   source_url 'https://docbook.org/xml/4.1.2/docbkx412.zip'
   source_sha256 '30f0644064e0ea71751438251940b1431f46acada814a062870f486c772e7772'
diff --git a/packages/docbook_xml42.rb b/packages/docbook_xml42.rb
index 8e9cc29b94..9e3528329a 100644
--- a/packages/docbook_xml42.rb
+++ b/packages/docbook_xml42.rb
@@ -5,6 +5,7 @@ class Docbook_xml42 < Package
   homepage 'https://www.oasis-open.org/docbook/'
   @_ver = '4.2'
   version "#{@_ver}-1"
+  license 'MIT'
   compatibility 'all'
   source_url "https://docbook.org/xml/#{@_ver}/docbook-xml-#{@_ver}.zip"
   source_sha256 'acc4601e4f97a196076b7e64b368d9248b07c7abf26b34a02cca40eeebe60fa2'
diff --git a/packages/docbook_xml43.rb b/packages/docbook_xml43.rb
index dcaf89cd8f..9baf081644 100644
--- a/packages/docbook_xml43.rb
+++ b/packages/docbook_xml43.rb
@@ -5,6 +5,7 @@ class Docbook_xml43 < Package
   homepage 'https://www.oasis-open.org/docbook/'
   @_ver = '4.3'
   version "#{@_ver}-1"
+  license 'MIT'
   compatibility 'all'
   source_url "https://docbook.org/xml/#{@_ver}/docbook-xml-#{@_ver}.zip"
   source_sha256 '23068a94ea6fd484b004c5a73ec36a66aa47ea8f0d6b62cc1695931f5c143464'
diff --git a/packages/docbook_xml44.rb b/packages/docbook_xml44.rb
index 195fe68c7b..82912fcffd 100644
--- a/packages/docbook_xml44.rb
+++ b/packages/docbook_xml44.rb
@@ -5,6 +5,7 @@ class Docbook_xml44 < Package
   homepage 'https://www.oasis-open.org/docbook/'
   @_ver = '4.4'
   version "#{@_ver}-1"
+  license 'MIT'
   compatibility 'all'
   source_url "https://docbook.org/xml/#{@_ver}/docbook-xml-#{@_ver}.zip"
   source_sha256 '02f159eb88c4254d95e831c51c144b1863b216d909b5ff45743a1ce6f5273090'
diff --git a/packages/docbook_xml45.rb b/packages/docbook_xml45.rb
index 95f4e90484..a5fd827277 100644
--- a/packages/docbook_xml45.rb
+++ b/packages/docbook_xml45.rb
@@ -5,6 +5,7 @@ class Docbook_xml45 < Package
   homepage 'https://www.oasis-open.org/docbook/'
   @_ver = '4.5'
   version "#{@_ver}-1"
+  license 'MIT'
   compatibility 'all'
   source_url "https://docbook.org/xml/#{@_ver}/docbook-xml-#{@_ver}.zip"
   source_sha256 '4e4e037a2b83c98c6c94818390d4bdd3f6e10f6ec62dd79188594e26190dc7b4'
diff --git a/packages/docbook_xml50.rb b/packages/docbook_xml50.rb
index a3c40f7af9..e38aaf7e3d 100644
--- a/packages/docbook_xml50.rb
+++ b/packages/docbook_xml50.rb
@@ -5,6 +5,7 @@ class Docbook_xml50 < Package
   homepage 'https://www.oasis-open.org/docbook/'
   @_ver = '5.0'
   version "#{@_ver}-1"
+  license 'MIT'
   compatibility 'all'
   source_url "https://docbook.org/xml/#{@_ver}/docbook-#{@_ver}.zip"
   source_sha256 '3dcd65e1f5d9c0c891b3be204fa2bb418ce485d32310e1ca052e81d36623208e'
diff --git a/packages/docbook_xml51.rb b/packages/docbook_xml51.rb
index 847189b497..90ca981a8d 100644
--- a/packages/docbook_xml51.rb
+++ b/packages/docbook_xml51.rb
@@ -5,6 +5,7 @@ class Docbook_xml51 < Package
   homepage 'https://www.oasis-open.org/docbook/'
   @_ver = '5.1'
   version "#{@_ver}-1"
+  license 'MIT'
   compatibility 'all'
   source_url "https://docbook.org/xml/#{@_ver}/docbook-v#{@_ver}-os.zip"
   source_sha256 'b3f3413654003c1e773360d7fc60ebb8abd0e8c9af8e7d6c4b55f124f34d1e7f'
diff --git a/packages/docbook_xsl.rb b/packages/docbook_xsl.rb
index d81ed0f873..d37802db85 100644
--- a/packages/docbook_xsl.rb
+++ b/packages/docbook_xsl.rb
@@ -5,6 +5,7 @@ class Docbook_xsl < Package
   homepage 'https://github.com/docbook/xslt10-stylesheets'
   @_ver = '1.79.2'
   version "#{@_ver}-1"
+  license 'custom'
   compatibility 'all'
   source_url "https://github.com/docbook/xslt10-stylesheets/releases/download/release/#{@_ver}/docbook-xsl-#{@_ver}.zip"
   source_sha256 '853dce096f5b32fe0b157d8018d8fecf92022e9c79b5947a98b365679c7e31d7'
diff --git a/packages/docbook_xsl_nons.rb b/packages/docbook_xsl_nons.rb
index 21192a7161..71d0c8343b 100644
--- a/packages/docbook_xsl_nons.rb
+++ b/packages/docbook_xsl_nons.rb
@@ -5,6 +5,7 @@ class Docbook_xsl_nons < Package
   homepage 'https://github.com/docbook/xslt10-stylesheets'
   @_ver = '1.79.2'
   version @_ver
+  license 'custom'
   compatibility 'all'
   source_url "https://github.com/docbook/xslt10-stylesheets/releases/download/release/#{@_ver}/docbook-xsl-nons-#{@_ver}.zip"
   source_sha256 'ba41126fbf4021e38952f3074dc87cdf1e50f3981280c7a619f88acf31456822'
diff --git a/packages/docutils.rb b/packages/docutils.rb
index 642721b782..1ceb707f95 100644
--- a/packages/docutils.rb
+++ b/packages/docutils.rb
@@ -4,6 +4,7 @@ class Docutils < Package
   description 'Docutils is an open-source text processing system for processing plaintext documentation into useful formats, such as HTML, LaTeX, man-pages, open-document or XML.'
   homepage 'http://docutils.sourceforge.net/'
   version '0.15'
+  license 'BSD-2, GPL-3 and public-domain'
   compatibility 'all'
   source_url 'https://prdownloads.sourceforge.net/project/docutils/docutils/0.15/docutils-0.15.tar.gz'
   source_sha256 'c35e87e985f70106f6f97e050f3bed990641e0e104566134b9cd23849a460e96'
diff --git a/packages/docx2txt.rb b/packages/docx2txt.rb
index 87eef3cc68..3e202774e0 100644
--- a/packages/docx2txt.rb
+++ b/packages/docx2txt.rb
@@ -4,6 +4,7 @@ class Docx2txt < Package
   description 'docx2txt is a perl based command line utility to convert Microsoft Office(Tm) Docx documents to equivalent Text documents.'
   homepage 'http://docx2txt.sourceforge.net/'
   version '1.4'
+  license 'GPL-3'
   compatibility 'all'
   source_url 'http://downloads.sourceforge.net/project/docx2txt/docx2txt/v1.4/docx2txt-1.4.tgz'
   source_sha256 'b297752910a404c1435e703d5aedb4571222bd759fa316c86ad8c8bbe58c6d1b'
diff --git a/packages/dos2unix.rb b/packages/dos2unix.rb
index 096760cba8..c6044d7da5 100644
--- a/packages/dos2unix.rb
+++ b/packages/dos2unix.rb
@@ -4,6 +4,7 @@ class Dos2unix < Package
   description 'dos2unix includes utilities to convert text files with DOS or Mac line endings to Unix line endings and vice versa.'
   homepage 'http://freecode.com/projects/dos2unix'
   version '7.4.0'
+  license 'BSD-2'
   compatibility 'all'
   source_url 'https://downloads.sourceforge.net/project/dos2unix/dos2unix/7.4.0/dos2unix-7.4.0.tar.gz'
   source_sha256 'bac765abdbd95cdd87a71989d4382c32cf3cbfeee2153f0086cb9cf18261048a'
diff --git a/packages/dosbox_x.rb b/packages/dosbox_x.rb
index adb2e7b811..a57bb516b8 100644
--- a/packages/dosbox_x.rb
+++ b/packages/dosbox_x.rb
@@ -4,6 +4,7 @@ class Dosbox_x < Package
   description 'An x86 emulator with DOS.'
   homepage 'https://dosbox-x.com/'
   version '0.83.1'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'https://github.com/joncampbell123/dosbox-x/archive/dosbox-x-v0.83.1.tar.gz'
   source_sha256 '222c6c4e2ec15bfab0e327b9ba4af92a3fcdd0ff76f1917529a11503ab4a2833'
diff --git a/packages/dosfstools.rb b/packages/dosfstools.rb
index 0b5730db34..d48e5367fc 100644
--- a/packages/dosfstools.rb
+++ b/packages/dosfstools.rb
@@ -4,6 +4,7 @@ class Dosfstools < Package
   description 'dosfstools consists of the programs mkfs.fat, fsck.fat and fatlabel to create, check and label file systems of the FAT family.'
   homepage 'https://github.com/dosfstools/dosfstools'
   version '4.1'
+  license 'GPL-3'
   compatibility 'all'
   source_url 'https://github.com/dosfstools/dosfstools/releases/download/v4.1/dosfstools-4.1.tar.xz'
   source_sha256 'e6b2aca70ccc3fe3687365009dd94a2e18e82b688ed4e260e04b7412471cc173'
diff --git a/packages/double_conversion.rb b/packages/double_conversion.rb
index 8415ef11d5..aafac3367f 100644
--- a/packages/double_conversion.rb
+++ b/packages/double_conversion.rb
@@ -4,6 +4,7 @@ class Double_conversion < Package
   description 'Efficient binary-decimal and decimal-binary conversion routines for IEEE doubles.'
   homepage 'https://github.com/google/double-conversion'
   version '3.1.5'
+  license 'BSD'
   compatibility 'all'
   source_url 'https://github.com/google/double-conversion/archive/v3.1.5.tar.gz'
   source_sha256 'a63ecb93182134ba4293fd5f22d6e08ca417caafa244afaa751cbfddf6415b13'
diff --git a/packages/doxygen.rb b/packages/doxygen.rb
index 8e3971a5f0..07090c2086 100644
--- a/packages/doxygen.rb
+++ b/packages/doxygen.rb
@@ -4,6 +4,7 @@ class Doxygen < Package
   description 'Doxygen is the de facto standard tool for generating documentation from annotated C++ sources, but it also supports other popular programming languages such as C, Objective-C, C#, PHP, Java, Python, IDL (Corba, Microsoft, and UNO/OpenOffice flavors), Fortran, VHDL, Tcl, and to some extent D.'
   homepage 'http://www.doxygen.nl/'
   version '1.8.17'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'https://github.com/doxygen/doxygen/archive/Release_1_8_17.tar.gz'
   source_sha256 '1b5d337e4b73ef1357a88cbd06fc4c301f08f279dac0adb99e876f4d72361f4f'
diff --git a/packages/dr.rb b/packages/dr.rb
index 13ff18a189..ade53b2074 100644
--- a/packages/dr.rb
+++ b/packages/dr.rb
@@ -1,9 +1,12 @@
+# Note: this package is depreciated upstream
+
 require 'package'
 
 class Dr < Package
   description 'A simple ed-like devRant client'
   homepage 'https://github.com/Ewpratten/dr'
   version '2.0'
+  license 'MIT'
   compatibility 'all'
   source_url 'https://github.com/Ewpratten/dr/archive/2.0-cros.tar.gz'
   source_sha256 '0ab9003c23d74d1ca8b0cfaf33e7db5e5b908d3448c87c4c0a83c9bf77a8ac23'
diff --git a/packages/dropbox.rb b/packages/dropbox.rb
index 92d8a0ba71..5c3ff0d1a6 100644
--- a/packages/dropbox.rb
+++ b/packages/dropbox.rb
@@ -4,6 +4,7 @@ class Dropbox < Package
   description 'Dropbox simplifies the way you create, share and collaborate.  Bring your photos, docs, and videos anywhere and keep your files safe.'
   homepage 'https://www.dropbox.com/'
   version '48.4.58'
+  license 'Dropbox-TOS'
   compatibility 'i686,x86_64'
   case ARCH
   when 'i686'
diff --git a/packages/dropbox_uploader.rb b/packages/dropbox_uploader.rb
index 9570459839..e6f6426962 100644
--- a/packages/dropbox_uploader.rb
+++ b/packages/dropbox_uploader.rb
@@ -5,6 +5,7 @@ class Dropbox_uploader < Package
   homepage 'https://github.com/andreafabrizi/Dropbox-Uploader'
   version '1.0'
   compatibility 'all'
+  license 'GPL-3'
   source_url 'https://github.com/andreafabrizi/Dropbox-Uploader/archive/1.0.tar.gz'
   source_sha256 '8c9be8bd38fb3b0f0b4d1a863132ad38c8299ac62ecfbd1e818addf32b48d84c'
 
diff --git a/packages/dstat.rb b/packages/dstat.rb
index cf2bfea1d1..a0379898ae 100644
--- a/packages/dstat.rb
+++ b/packages/dstat.rb
@@ -4,6 +4,7 @@ class Dstat < Package
   description 'Dstat is a versatile replacement for vmstat, iostat, netstat and ifstat.'
   homepage 'http://dag.wiee.rs/home-made/dstat/'
   version '0.7.3'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'https://github.com/dagwieers/dstat/archive/0.7.3.tar.gz'
   source_sha256 '46e63821857b69fbc60cb2c7d893ccdd6f31cd9ef24b8bb0b68951e1c7374898'
diff --git a/packages/dtrx.rb b/packages/dtrx.rb
index 36e0713896..6bca8281db 100644
--- a/packages/dtrx.rb
+++ b/packages/dtrx.rb
@@ -1,11 +1,12 @@
 require 'package'
 
 class Dtrx < Package
-  description "Intelligent archive extraction. dtrx stands for 'Do The Right Extraction.' It's a tool for Unix-like systems that takes all the hassle out of extracting archives."
-  homepage 'https://brettcsmith.org/2007/dtrx/'
+  description "An intelligent archive extraction tool for UNIX-like systems standing for 'Do The Right Extraction.'"
+  homepage 'https://brettcsmith.org/2007/dtrx/' # 404 Not Found
   version '7.1'
+  license '' # Can't find license for project
   compatibility 'all'
-  source_url 'https://brettcsmith.org/2007/dtrx/dtrx-7.1.tar.gz'
+  source_url 'https://brettcsmith.org/2007/dtrx/dtrx-7.1.tar.gz' # 404 Not Found
   source_sha256 '1c9afe48e9d9d4a1caa4c9b0c50593c6fe427942716ce717d81bae7f8425ce97'
 
   binary_url ({
diff --git a/packages/dub.rb b/packages/dub.rb
index bd5874ebd2..5dfaebd4d6 100644
--- a/packages/dub.rb
+++ b/packages/dub.rb
@@ -5,6 +5,7 @@ class Dub < Package
   homepage 'https://github.com/D-Programming-Language/dub'
   version '1.7.1'
   compatibility 'all'
+  license 'MIT'
   source_url 'https://github.com/dlang/dub/archive/v1.7.1.tar.gz'
   source_sha256 'baa8c533f59d83f74e89c06f5ec7e52daf3becb227c7177a9eeab7159ba86dbc'
 
diff --git a/packages/duplicity.rb b/packages/duplicity.rb
index 44570d8128..44eacf24de 100644
--- a/packages/duplicity.rb
+++ b/packages/duplicity.rb
@@ -5,6 +5,7 @@ class Duplicity < Package
   homepage 'http://duplicity.nongnu.org/'
   version '0.7.15'
   compatibility 'all'
+  license 'GPL-3'
   source_url 'https://code.launchpad.net/duplicity/0.7-series/0.7.15/+download/duplicity-0.7.15.tar.gz'
   source_sha256 '50bf7d14413284ecb036146ab9ba0e271937f2fa7826f8c8300b2965eb450a6c'
 
diff --git a/packages/e2fsprogs.rb b/packages/e2fsprogs.rb
index a85a5750b9..10b72c334e 100644
--- a/packages/e2fsprogs.rb
+++ b/packages/e2fsprogs.rb
@@ -5,6 +5,7 @@ class E2fsprogs < Package
   homepage 'http://e2fsprogs.sourceforge.net/'
   @_ver = '1.45.7'
   version @_ver
+  license 'GPL-2 and BSD'
   compatibility 'all'
   source_url "https://mirrors.edge.kernel.org/pub/linux/kernel/people/tytso/e2fsprogs/v#{@_ver}/e2fsprogs-#{@_ver}.tar.xz"
   source_sha256 '62d49c86d9d4becf305093edd65464484dc9ea41c6ff9ae4f536e4a341b171a2'
diff --git a/packages/ecasound.rb b/packages/ecasound.rb
index 5fc4f99a5b..e98b29214f 100644
--- a/packages/ecasound.rb
+++ b/packages/ecasound.rb
@@ -4,6 +4,7 @@ class Ecasound < Package
   description 'Ecasound is a software package designed for multitrack audio processing.'
   homepage 'https://ecasound.seul.org/ecasound/'
   version '1.0.21'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'https://nosignal.fi/download/ecasound-2.9.3.tar.gz'
   source_sha256 '468bec44566571043c655c808ddeb49ae4f660e49ab0072970589fd5a493f6d4'
diff --git a/packages/ed.rb b/packages/ed.rb
index 9b0b212d00..581b89f739 100644
--- a/packages/ed.rb
+++ b/packages/ed.rb
@@ -4,6 +4,7 @@ class Ed < Package
   description 'GNU ed is a line-oriented text editor.'
   homepage 'http://www.gnu.org/software/ed/ed.html'
   version '1.15'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'https://ftpmirror.gnu.org/ed/ed-1.15.tar.lz'
   source_sha256 'ad4489c0ad7a108c514262da28e6c2a426946fb408a3977ef1ed34308bdfd174'
diff --git a/packages/editres.rb b/packages/editres.rb
index 99b48b8bcc..28b2262384 100644
--- a/packages/editres.rb
+++ b/packages/editres.rb
@@ -4,6 +4,7 @@ class Editres < Package
   description 'Editres is a tool that allows users and application developers to view the full widget hierarchy of any Xt Toolkit application that speaks the Editres protocol.'
   homepage 'https://www.x.org'
   version '1.0.7'
+  license 'custom'
   compatibility 'all'
   source_url 'https://x.org/archive/individual/app/editres-1.0.7.tar.bz2'
   source_sha256 '089ad34628e55a779b97e369f55fb12caefc96d684b508d9022eb9e12b775c11'
diff --git a/packages/eigen.rb b/packages/eigen.rb
index bcd7111bef..1b62b7c8e0 100644
--- a/packages/eigen.rb
+++ b/packages/eigen.rb
@@ -4,6 +4,7 @@ class Eigen < Package
   description 'Eigen is a C++ template library for linear algebra: matrices, vectors, numerical solvers, and related algorithms.'
   homepage 'http://eigen.tuxfamily.org/'
   version '3.3.7'
+  license 'MPL-2.0'
   compatibility 'all'
   source_url 'https://gitlab.com/libeigen/eigen/-/archive/3.3.7/eigen-3.3.7.tar.bz2'
   source_sha256 '685adf14bd8e9c015b78097c1dc22f2f01343756f196acdc76a678e1ae352e11'
diff --git a/packages/elfutils.rb b/packages/elfutils.rb
index 0f2ce11149..8dd5ec6bdf 100644
--- a/packages/elfutils.rb
+++ b/packages/elfutils.rb
@@ -5,6 +5,7 @@ class Elfutils < Package
   homepage 'https://sourceware.org/elfutils/'
   @_ver = '0.183'
   version @_ver
+  license 'GPL-2+ or LGPL-3+'
   compatibility 'all'
   source_url "https://sourceware.org/elfutils/ftp/#{@_ver}/elfutils-#{@_ver}.tar.bz2"
   source_sha256 'c3637c208d309d58714a51e61e63f1958808fead882e9b607506a29e5474f2c5'
diff --git a/packages/elinks.rb b/packages/elinks.rb
index 3007e9bb9e..cd7a877e93 100644
--- a/packages/elinks.rb
+++ b/packages/elinks.rb
@@ -4,6 +4,7 @@ class Elinks < Package
   description 'Full-Featured Text WWW Browser'
   homepage 'http://elinks.or.cz/'
   version '0.11.7'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'http://elinks.or.cz/download/elinks-0.11.7.tar.bz2'
   source_sha256 '456db6f704c591b1298b0cd80105f459ff8a1fc07a0ec1156a36c4da6f898979'
diff --git a/packages/elixir.rb b/packages/elixir.rb
index 15a5798632..636f0194ab 100644
--- a/packages/elixir.rb
+++ b/packages/elixir.rb
@@ -4,6 +4,7 @@ class Elixir < Package
   description 'Elixir is a dynamic, functional language designed for building scalable and maintainable applications.'
   homepage 'https://elixir-lang.org/'
   version '1.9.1-1'
+  license 'Apache-2.0 and ErlPL-1.1'
   compatibility 'all'
   source_url 'https://github.com/elixir-lang/elixir/releases/download/v1.9.1/Precompiled.zip'
   source_sha256 '17e43cb1627a0fa5625bc370cec0964ad6471ef242f1549e316db73c0d94fcc6'
diff --git a/packages/elogind.rb b/packages/elogind.rb
index 696582537d..3b3439e08e 100644
--- a/packages/elogind.rb
+++ b/packages/elogind.rb
@@ -5,6 +5,7 @@ class Elogind < Package
   homepage 'https://github.com/elogind/elogind'
   @_ver = '246.10'
   version "#{@_ver}-1"
+  license 'CC0-1.0, LGPL-2.1+ and public-domain'
   compatibility 'all'
   source_url "https://github.com/elogind/elogind/archive/v#{@_ver}.tar.gz"
   source_sha256 'c490dc158c8f5bca8d00ecfcc7ad5af24d1c7b9e59990a0b3b1323996221a922'
diff --git a/packages/emacs.rb b/packages/emacs.rb
index a8eba8b584..1851ccb5de 100644
--- a/packages/emacs.rb
+++ b/packages/emacs.rb
@@ -4,6 +4,7 @@ class Emacs < Package
   description 'An extensible, customizable, free/libre text editor - and more.'
   homepage 'http://www.gnu.org/software/emacs/'
   version '27.1'
+  license 'GPL-3+, FPL-1.3+, BSD, HPND, MIT, W3C, unicode and PSF-2'
   compatibility 'all'
   source_url 'https://ftpmirror.gnu.org/emacs/emacs-27.1.tar.xz'
   source_sha256 '4a4c128f915fc937d61edfc273c98106711b540c9be3cd5d2e2b9b5b2f172e41'
diff --git a/packages/enchant.rb b/packages/enchant.rb
index c1665d9a8a..bf97a583eb 100644
--- a/packages/enchant.rb
+++ b/packages/enchant.rb
@@ -5,6 +5,7 @@ class Enchant < Package
   homepage 'https://abiword.github.io/enchant/'
   @_ver = '2.2.15'
   version @_ver
+  license 'LGPL-2.1+'
   compatibility 'all'
   source_url "https://github.com/AbiWord/enchant/archive/v#{@_ver}.tar.gz"
   source_sha256 '85295934102a4ab94f209cbc7c956affcb2834e7a5fb2101e2db436365e2922d'
diff --git a/packages/encodings.rb b/packages/encodings.rb
index c92f835282..ff8fa59952 100644
--- a/packages/encodings.rb
+++ b/packages/encodings.rb
@@ -4,6 +4,7 @@ class Encodings < Package
   description 'X11 Font Index Generator'
   homepage 'https://xorg.freedesktop.org'
   version '1.0.5'
+  license 'custom'
   compatibility 'all'
   source_url 'https://www.x.org/releases/individual/font/encodings-1.0.5.tar.bz2'
   source_sha256 'bd96e16143a044b19e87f217cf6a3763a70c561d1076aad6f6d862ec41774a31'
diff --git a/packages/enlightenment.rb b/packages/enlightenment.rb
index df29c984df..bbb6f41198 100644
--- a/packages/enlightenment.rb
+++ b/packages/enlightenment.rb
@@ -4,6 +4,7 @@ class Enlightenment < Package
   description 'Enlightenment desktop shell'
   homepage 'https://enlightenment.org'
   version '0.24.1'
+  license 'BSD-2'
   compatibility 'all'
   source_url 'https://download.enlightenment.org/rel/apps/enlightenment/enlightenment-0.24.1.tar.xz'
   source_sha256 'aee2b6178c918d71ebe661129f4008d773e70e5784651dadbcf56eec0a6d4a09'
diff --git a/packages/enscript.rb b/packages/enscript.rb
index a48551cb73..21ed3d318b 100644
--- a/packages/enscript.rb
+++ b/packages/enscript.rb
@@ -4,6 +4,7 @@ class Enscript < Package
   description 'GNU Enscript is a free replacement for Adobe\'s enscript program.'
   homepage 'https://www.gnu.org/software/enscript/'
   version '1.6.6'
+  license 'GPL-3'
   compatibility 'all'
   source_url 'https://ftpmirror.gnu.org/enscript/enscript-1.6.6.tar.gz'
   source_sha256 '6d56bada6934d055b34b6c90399aa85975e66457ac5bf513427ae7fc77f5c0bb'
diff --git a/packages/entr.rb b/packages/entr.rb
index 7c92e4d7e0..4ceb83544f 100644
--- a/packages/entr.rb
+++ b/packages/entr.rb
@@ -4,6 +4,7 @@ class Entr < Package
   description 'Run arbitrary commands when files change'
   homepage 'http://entrproject.org/'
   version '4.0'
+  license 'ISC'
   compatibility 'all'
   source_url 'http://entrproject.org/code/entr-4.0.tar.gz'
   source_sha256 '4ad4fe9108b179199951cfc78a581a8a69602b073dae59bcae4b810f6e1f6c8b'
diff --git a/packages/epydoc.rb b/packages/epydoc.rb
index 40d00ae9f0..a80418eb4f 100644
--- a/packages/epydoc.rb
+++ b/packages/epydoc.rb
@@ -4,6 +4,7 @@ class Epydoc < Package
   description 'Epydoc is a tool for generating API documentation for Python modules, based on their docstrings.'
   homepage 'http://epydoc.sourceforge.net/'
   version '3.0.1'
+  license 'MIT'
   compatibility 'all'
   source_url 'https://downloads.sourceforge.net/project/epydoc/epydoc/3.0.1/epydoc-3.0.1.tar.gz'
   source_sha256 'd4e5c8d90937d01b05170f592c1fa9b29e9ed0498dfe7f0eb2a3af61725b6ad1'
diff --git a/packages/erlang.rb b/packages/erlang.rb
index d83fa17a34..9a36a4d798 100644
--- a/packages/erlang.rb
+++ b/packages/erlang.rb
@@ -4,6 +4,7 @@ class Erlang < Package
   description 'Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability.'
   homepage 'http://www.erlang.org/'
   version '23.1'
+  license 'Apache-2.0'
   compatibility 'all'
   source_url 'http://erlang.org/download/otp_src_23.1.tar.gz'
   source_sha256 'cb5b7246eeaac9298c51c9915386df2f784e82a3f7ff93b68453591f0b370400'
diff --git a/packages/eudev.rb b/packages/eudev.rb
index a29042f740..9829d6c26f 100644
--- a/packages/eudev.rb
+++ b/packages/eudev.rb
@@ -4,6 +4,7 @@ class Eudev < Package
   description 'Gentoo standalone udev'
   homepage 'https://wiki.gentoo.org/wiki/Project:Eudev'
   version '3.2.9'
+  license 'LGPL-2.1, MIT and GPL-2'
   compatibility 'all'
   source_url 'https://github.com/gentoo/eudev/archive/v3.2.9.tar.gz'
   source_sha256 '7d281276b480da3935d1acb239748c2c9db01a8043aad7e918ce57a223d8cd24'
diff --git a/packages/eventstat.rb b/packages/eventstat.rb
index 1dfdf1b7a4..b2db180a33 100644
--- a/packages/eventstat.rb
+++ b/packages/eventstat.rb
@@ -2,8 +2,9 @@ require 'package'
 
 class Eventstat < Package
   description 'Eventstat periodically dumps out the current kernel event state.'
-  homepage 'http://kernel.ubuntu.com/~cking/eventstat/'
+  homepage 'https://kernel.ubuntu.com/~cking/eventstat/'
   version '0.04.07'
+  license 'GPL-2'
   compatibility 'all'
   source_url 'https://kernel.ubuntu.com/~cking/tarballs/eventstat/eventstat-0.04.07.tar.gz'
   source_sha256 '492f9ff8b64f1e2d4d4d67607331b87e4bcf95a4acff60d674ff2a391fa9103d'
diff --git a/packages/evolution_data_server.rb b/packages/evolution_data_server.rb
index debff0f693..b089e2d40a 100644
--- a/packages/evolution_data_server.rb
+++ b/packages/evolution_data_server.rb
@@ -4,6 +4,7 @@ class Evolution_data_server < Package
   description 'Centralized access to appointments and contacts'
   @_ver = '3.39.3'
   version @_ver
+  license 'LGPL-2 or LGPL-3, BSD and Sleepycat'
   compatibility 'all'
   source_url "https://github.com/GNOME/evolution-data-server/archive/#{@_ver}.tar.gz"
   source_sha256 'd789b6dc403d35902b3b6cdcebff31880d2773b1829fbdc561c59a71453eaab9'
diff --git a/packages/exa.rb b/packages/exa.rb
index 5965b7a7f9..0773d05f65 100644
--- a/packages/exa.rb
+++ b/packages/exa.rb
@@ -4,6 +4,7 @@ class Exa < Package
   description 'Modern replacement for \'ls\''
   homepage 'https://the.exa.website'
   version '0.9.0'
+  license 'Apache-2.0, MIT and Unlicense'
   compatibility 'aarch64,armv7l,x86_64'
   case ARCH
   when 'aarch64', 'armv7l', 'x86_64'
diff --git a/packages/exfatprogs.rb b/packages/exfatprogs.rb
index f13d28c49f..6544f59ea8 100644
--- a/packages/exfatprogs.rb
+++ b/packages/exfatprogs.rb
@@ -5,6 +5,7 @@ class Exfatprogs < Package
   homepage 'https://github.com/exfatprogs/exfatprogs'
   @_ver = '1.1.0'
   version @_ver
+  license 'GPL-2'
   compatibility 'all'
   source_url "https://github.com/exfatprogs/exfatprogs/archive/#{@_ver}/exfatprogs-#{@_ver}.tar.gz"
   source_sha256 '88c12a2f9cbe4f12129f3b7fa2cd42f24dbed3f579e61bac2ca699ca79fad4e0'
diff --git a/packages/exif.rb b/packages/exif.rb
index 1cdf3e2846..4574bda728 100644
--- a/packages/exif.rb
+++ b/packages/exif.rb
@@ -4,6 +4,7 @@ class Exif < Package
   description 'A small command-line utility to show EXIF information hidden in JPEG files'
   homepage 'https://libexif.github.io/'
   version '0.6.21'
+  license 'LGPL-2+'
   compatibility 'all'
   source_url 'https://github.com/libexif/exif/archive/exif-0_6_21-release.tar.gz'
   source_sha256 'f55e125eee6c2a75d367d3b388bcd7bea75dc944fabe8671bb32e889192f4b77'
diff --git a/packages/exo.rb b/packages/exo.rb
index 234e8b26fe..674d04bf12 100644
--- a/packages/exo.rb
+++ b/packages/exo.rb
@@ -4,6 +4,7 @@ class Exo < Package
   description 'Extension library for the Xfce desktop environment'
   homepage 'https://xfce.org/'
   version '4.16.0'
+  license 'Apache-2.0'
   compatibility 'all'
   source_url "https://archive.xfce.org/src/xfce/exo/4.16/exo-#{version}.tar.bz2"
   source_sha256 '1975b00eed9a8aa1f899eab2efaea593731c19138b83fdff2f13bdca5275bacc'
diff --git a/packages/expat.rb b/packages/expat.rb
index a972a0114d..4275f1f6af 100644
--- a/packages/expat.rb
+++ b/packages/expat.rb
@@ -4,6 +4,7 @@ class Expat < Package
   description 'James Clark\'s Expat XML parser library in C.'
   homepage 'https://sourceforge.net/projects/expat/'
   version '2.2.9'
+  license 'MIT'
   compatibility 'all'
   source_url 'https://prdownloads.sourceforge.net/project/expat/expat/2.2.9/expat-2.2.9.tar.bz2'
   source_sha256 'f1063084dc4302a427dabcca499c8312b3a32a29b7d2506653ecc8f950a9a237'
diff --git a/packages/expect.rb b/packages/expect.rb
index 864b46086a..7d9986feac 100644
--- a/packages/expect.rb
+++ b/packages/expect.rb
@@ -4,6 +4,7 @@ class Expect < Package
   description 'Expect is a tool for automating interactive applications such as telnet, ftp, passwd, fsck, rlogin, tip, etc.'
   homepage 'http://expect.sourceforge.net/'
   version '5.45.4'
+  license 'BSD'
   compatibility 'all'
   source_url 'http://downloads.sourceforge.net/project/expect/Expect/5.45.4/expect5.45.4.tar.gz'
   source_sha256 '49a7da83b0bdd9f46d04a04deec19c7767bb9a323e40c4781f89caf760b92c34'
diff --git a/tools/licenses.txt b/tools/licenses.txt
index d297a2b86b..e50561e072 100644
--- a/tools/licenses.txt
+++ b/tools/licenses.txt
@@ -390,6 +390,7 @@ BCS
 bestcrypt
 CAPYBARA-EULA
 Coherent-Graphics
+Dropbox-TOS
 ETQW
 f.lux
 FAH-EULA-2014
@@ -442,5 +443,5 @@ WPS-EULA
 zi-labone
 
 # Other licenses
-custom
+custom                      # A license cannot be 'custom' the source code is unavailable. Instead, find the license and add it under the EULA section of this file.
 unlicensed