diff --git a/pkgs/misc/emulators/openmsx/default.nix b/pkgs/misc/emulators/openmsx/default.nix
index 68b464f4d35..f0ab48aa625 100644
--- a/pkgs/misc/emulators/openmsx/default.nix
+++ b/pkgs/misc/emulators/openmsx/default.nix
@@ -45,5 +45,6 @@ stdenv.mkDerivation rec {
     homepage = "https://openmsx.org";
     maintainers = with maintainers; [ AndersonTorres ];
     platforms = platforms.unix;
+    license = with licenses; [ bsd2 boost gpl2 ];
   };
 }
diff --git a/pkgs/misc/emulators/resim/default.nix b/pkgs/misc/emulators/resim/default.nix
index 81acdf81f2e..ba7ac621257 100644
--- a/pkgs/misc/emulators/resim/default.nix
+++ b/pkgs/misc/emulators/resim/default.nix
@@ -15,4 +15,6 @@ stdenv.mkDerivation {
     cp -v libresim/libarmsim.so $out/lib/libarmsim.so
     cp -v vc4emul/vc4emul $out/bin/vc4emul
   '';
+
+  meta.license = stdenv.lib.licenses.mit;
 }
diff --git a/pkgs/os-specific/linux/device-tree/raspberrypi.nix b/pkgs/os-specific/linux/device-tree/raspberrypi.nix
index b5886f6bd11..5a0d5710392 100644
--- a/pkgs/os-specific/linux/device-tree/raspberrypi.nix
+++ b/pkgs/os-specific/linux/device-tree/raspberrypi.nix
@@ -31,6 +31,7 @@ stdenvNoCC.mkDerivation {
     overlays = "${raspberrypifw}/share/raspberrypi/boot/overlays";
   };
   meta = with stdenvNoCC.lib; {
-    platforms = [ "armv6l-linux" "armv7l-linux" "aarch64-linux" ];
+    inherit (raspberrypifw.meta) platforms homepage license;
+    description = "DTBs for the Raspberry Pi";
   };
 }
diff --git a/pkgs/os-specific/linux/iptstate/default.nix b/pkgs/os-specific/linux/iptstate/default.nix
index cd290113e00..529a82e9646 100644
--- a/pkgs/os-specific/linux/iptstate/default.nix
+++ b/pkgs/os-specific/linux/iptstate/default.nix
@@ -17,6 +17,7 @@ stdenv.mkDerivation rec {
     platforms = platforms.linux;
     maintainers = with maintainers; [ trevorj ];
     downloadPage = "https://github.com/jaymzh/iptstate/releases";
+    license = licenses.zlib;
   };
 
   installPhase = ''
diff --git a/pkgs/os-specific/linux/kernel/gpio-utils.nix b/pkgs/os-specific/linux/kernel/gpio-utils.nix
index 447704eedc8..e28d838efb3 100644
--- a/pkgs/os-specific/linux/kernel/gpio-utils.nix
+++ b/pkgs/os-specific/linux/kernel/gpio-utils.nix
@@ -18,7 +18,8 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Linux tools to inspect the gpiochip interface";
-    maintainers = with stdenv.lib.maintainers; [ kwohlfahrt ];
-    platforms = stdenv.lib.platforms.linux;
+    maintainers = with maintainers; [ kwohlfahrt ];
+    platforms = platforms.linux;
+    license = licenses.gpl2;
   };
 }
diff --git a/pkgs/os-specific/linux/klibc/shrunk.nix b/pkgs/os-specific/linux/klibc/shrunk.nix
index b5b9783c6e7..8b79940ed78 100644
--- a/pkgs/os-specific/linux/klibc/shrunk.nix
+++ b/pkgs/os-specific/linux/klibc/shrunk.nix
@@ -22,7 +22,5 @@ stdenv.mkDerivation {
   ''; # */
   allowedReferences = ["out"];
 
-  meta = {
-    platforms = stdenv.lib.platforms.linux;
-  };
+  inherit (klibc) meta;
 }
diff --git a/pkgs/os-specific/linux/kmod-blacklist-ubuntu/default.nix b/pkgs/os-specific/linux/kmod-blacklist-ubuntu/default.nix
index e14e190cd7c..17f34f9bbd7 100644
--- a/pkgs/os-specific/linux/kmod-blacklist-ubuntu/default.nix
+++ b/pkgs/os-specific/linux/kmod-blacklist-ubuntu/default.nix
@@ -34,5 +34,6 @@ in stdenv.mkDerivation {
     homepage = "https://packages.ubuntu.com/source/zesty/kmod";
     description = "Linux kernel module blacklists from Ubuntu";
     platforms = platforms.linux;
+    license = with licenses; [ gpl2Plus lgpl21Plus ];
   };
 }
diff --git a/pkgs/os-specific/linux/kmod-debian-aliases/default.nix b/pkgs/os-specific/linux/kmod-debian-aliases/default.nix
index f0f41331727..23d323f84b8 100644
--- a/pkgs/os-specific/linux/kmod-debian-aliases/default.nix
+++ b/pkgs/os-specific/linux/kmod-debian-aliases/default.nix
@@ -14,10 +14,11 @@ stdenv.mkDerivation rec {
     cp aliases.conf $out
   '';
 
-  meta = {
+  meta = with lib; {
     homepage = "https://packages.debian.org/source/sid/kmod";
     description = "Linux configuration file for modprobe";
-    maintainers = with lib.maintainers; [ mathnerd314 ];
-    platforms = with lib.platforms; linux;
+    maintainers = with maintainers; [ mathnerd314 ];
+    platforms = with platforms; linux;
+    license = with licenses; [ gpl2Plus lgpl21Plus ];
   };
 }
diff --git a/pkgs/os-specific/linux/libvolume_id/default.nix b/pkgs/os-specific/linux/libvolume_id/default.nix
index e54dee10c1d..98ddc50e2e4 100644
--- a/pkgs/os-specific/linux/libvolume_id/default.nix
+++ b/pkgs/os-specific/linux/libvolume_id/default.nix
@@ -1,8 +1,8 @@
 {stdenv, fetchurl}:
-   
+
 stdenv.mkDerivation {
   name = "libvolume_id-0.81.1";
-   
+
   src = fetchurl {
     url = "https://www.marcuscom.com/downloads/libvolume_id-0.81.1.tar.bz2";
     sha256 = "029z04vdxxsl8gycm9whcljhv6dy4b12ybsxdb99jr251gl1ifs5";
@@ -18,7 +18,8 @@ stdenv.mkDerivation {
     cp -f libvolume_id.so.0 $out/lib/
   ";
 
-  meta = {
-    platforms = stdenv.lib.platforms.linux;
+  meta = with stdenv.lib; {
+    platforms = platforms.linux;
+    license = licenses.gpl2;
   };
 }
diff --git a/pkgs/os-specific/linux/rfkill/udev.nix b/pkgs/os-specific/linux/rfkill/udev.nix
index 3ee112126ac..a24c947673d 100644
--- a/pkgs/os-specific/linux/rfkill/udev.nix
+++ b/pkgs/os-specific/linux/rfkill/udev.nix
@@ -47,9 +47,10 @@ in stdenv.mkDerivation {
     cp ${rfkillHook} "$out/bin/rfkill-hook.sh"
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = "http://wireless.kernel.org/en/users/Documentation/rfkill";
     description = "Rules+hook for udev to catch rfkill state changes";
-    platforms = stdenv.lib.platforms.linux;
+    platforms = platforms.linux;
+    license = licenses.mit;
   };
 }
diff --git a/pkgs/os-specific/linux/sysklogd/default.nix b/pkgs/os-specific/linux/sysklogd/default.nix
index c8378f2a0cb..f93e9012e05 100644
--- a/pkgs/os-specific/linux/sysklogd/default.nix
+++ b/pkgs/os-specific/linux/sysklogd/default.nix
@@ -21,8 +21,9 @@ stdenv.mkDerivation {
 
   preInstall = "mkdir -p $out/share/man/man5/ $out/share/man/man8/ $out/sbin";
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "A system logging daemon";
-    platforms = stdenv.lib.platforms.linux;
+    platforms = platforms.linux;
+    license = licenses.gpl2;
   };
 }
diff --git a/pkgs/os-specific/linux/xf86-video-nested/default.nix b/pkgs/os-specific/linux/xf86-video-nested/default.nix
index c117293d3ad..f86393cba84 100644
--- a/pkgs/os-specific/linux/xf86-video-nested/default.nix
+++ b/pkgs/os-specific/linux/xf86-video-nested/default.nix
@@ -20,10 +20,11 @@ stdenv.mkDerivation {
 
   CFLAGS = "-I${pixman}/include/pixman-1";
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = "https://cgit.freedesktop.org/xorg/driver/xf86-video-nested";
     description = "A driver to run Xorg on top of Xorg or something else";
-    maintainers = [ stdenv.lib.maintainers.goibhniu ];
-    platforms = stdenv.lib.platforms.linux;
+    maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
+    license = licenses.mit;
   };
 }
diff --git a/pkgs/servers/adguardhome/default.nix b/pkgs/servers/adguardhome/default.nix
index 54000a81b67..3260ce4f053 100644
--- a/pkgs/servers/adguardhome/default.nix
+++ b/pkgs/servers/adguardhome/default.nix
@@ -18,5 +18,6 @@ stdenv.mkDerivation rec {
     description = "Network-wide ads & trackers blocking DNS server";
     platforms = platforms.linux;
     maintainers = with maintainers; [ numkem ];
+    license = licenses.gpl3;
   };
 }
diff --git a/pkgs/servers/fcgiwrap/default.nix b/pkgs/servers/fcgiwrap/default.nix
index cd4d3116213..a15e1c15b15 100644
--- a/pkgs/servers/fcgiwrap/default.nix
+++ b/pkgs/servers/fcgiwrap/default.nix
@@ -25,5 +25,6 @@ stdenv.mkDerivation rec {
     description = "Simple server for running CGI applications over FastCGI";
     maintainers = with maintainers; [ lethalman ];
     platforms = with platforms; linux;
+    license = licenses.mit;
   };
 }
diff --git a/pkgs/servers/hashi-ui/default.nix b/pkgs/servers/hashi-ui/default.nix
index 019a8dca3b6..70926e37739 100644
--- a/pkgs/servers/hashi-ui/default.nix
+++ b/pkgs/servers/hashi-ui/default.nix
@@ -21,5 +21,6 @@ stdenv.mkDerivation rec {
     description = "A modern user interface for hashicorp Consul & Nomad";
     platforms = [ "x86_64-linux" ];
     maintainers = with maintainers; [ numkem ];
+    license = licenses.mit;
   };
 }