diff --git a/pkgs/os-specific/linux/jool/cli.nix b/pkgs/os-specific/linux/jool/cli.nix
index 50f0398e1343..d851a47924d6 100644
--- a/pkgs/os-specific/linux/jool/cli.nix
+++ b/pkgs/os-specific/linux/jool/cli.nix
@@ -24,6 +24,7 @@ stdenv.mkDerivation {
     homepage = https://www.jool.mx/;
     description = "Fairly compliant SIIT and Stateful NAT64 for Linux - CLI tools";
     platforms = platforms.linux;
+    license = licenses.gpl2;
     maintainers = with maintainers; [ fpletz ];
   };
 }
diff --git a/pkgs/os-specific/linux/kmod/default.nix b/pkgs/os-specific/linux/kmod/default.nix
index 142c176a15fa..43d69ac9574d 100644
--- a/pkgs/os-specific/linux/kmod/default.nix
+++ b/pkgs/os-specific/linux/kmod/default.nix
@@ -33,9 +33,10 @@ in stdenv.mkDerivation rec {
     ln -s bin $out/sbin
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = https://www.kernel.org/pub/linux/utils/kernel/kmod/;
     description = "Tools for loading and managing Linux kernel modules";
-    platforms = stdenv.lib.platforms.linux;
+    license = licenses.lgpl21;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/os-specific/linux/libatasmart/default.nix b/pkgs/os-specific/linux/libatasmart/default.nix
index 81333ce790ed..3c8c71bdde57 100644
--- a/pkgs/os-specific/linux/libatasmart/default.nix
+++ b/pkgs/os-specific/linux/libatasmart/default.nix
@@ -11,9 +11,10 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ udev ];
 
-  meta = {
-    homepage = http://0pointer.de/public/;
+  meta = with stdenv.lib; {
+    homepage = http://0pointer.de/blog/projects/being-smart.html;
     description = "Library for querying ATA SMART status";
-    platforms = stdenv.lib.platforms.linux;
+    license = licenses.lgpl21;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/os-specific/linux/lksctp-tools/default.nix b/pkgs/os-specific/linux/lksctp-tools/default.nix
index f5f08a3e7c69..6c644c9482a3 100644
--- a/pkgs/os-specific/linux/lksctp-tools/default.nix
+++ b/pkgs/os-specific/linux/lksctp-tools/default.nix
@@ -8,9 +8,10 @@ stdenv.mkDerivation rec {
     sha256 = "05da6c2v3acc18ndvmkrag6x5lf914b7s0xkkr6wkvrbvd621sqs";
   };
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "Linux Kernel Stream Control Transmission Protocol Tools.";
     homepage = http://lksctp.sourceforge.net/;
-    platforms = stdenv.lib.platforms.linux;
+    license = with licenses; [ gpl2 lgpl21 ]; # library is lgpl21
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/os-specific/linux/lm-sensors/default.nix b/pkgs/os-specific/linux/lm-sensors/default.nix
index 25b868369ae1..af52dc551ddd 100644
--- a/pkgs/os-specific/linux/lm-sensors/default.nix
+++ b/pkgs/os-specific/linux/lm-sensors/default.nix
@@ -27,9 +27,10 @@ stdenv.mkDerivation rec {
     ${stdenv.lib.optionalString sensord "PROG_EXTRA=sensord"})
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://www.lm-sensors.org/;
     description = "Tools for reading hardware sensors";
-    platforms = stdenv.lib.platforms.linux;
+    license = with licenses; [ gpl2 lgpl21 ];
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/os-specific/linux/multipath-tools/default.nix b/pkgs/os-specific/linux/multipath-tools/default.nix
index a1b207ffea09..6488f98565a9 100644
--- a/pkgs/os-specific/linux/multipath-tools/default.nix
+++ b/pkgs/os-specific/linux/multipath-tools/default.nix
@@ -31,9 +31,10 @@ stdenv.mkDerivation rec {
     "unitdir=$(out)/lib/systemd/system"
   ];
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "Tools for the Linux multipathing driver";
     homepage = http://christophe.varoqui.free.fr/;
-    platforms = stdenv.lib.platforms.linux;
+    license = licenses.gpl2;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/os-specific/linux/pam_ccreds/default.nix b/pkgs/os-specific/linux/pam_ccreds/default.nix
index 6026ac1d41aa..8293ac0a830a 100644
--- a/pkgs/os-specific/linux/pam_ccreds/default.nix
+++ b/pkgs/os-specific/linux/pam_ccreds/default.nix
@@ -11,10 +11,12 @@ stdenv.mkDerivation {
     sed 's/-o root -g root//' -i Makefile.in
   '';
 
-  buildInputs = [pam openssl db];
-  meta = {
+  buildInputs = [ pam openssl db ];
+
+  meta = with stdenv.lib; {
     homepage = http://www.padl.com/OSS/pam_ccreds.html;
     description = "PAM module to locally authenticate using an enterprise identity when the network is unavailable";
-    platforms = stdenv.lib.platforms.linux;
+    license = licenses.gpl2;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/os-specific/linux/pam_mount/default.nix b/pkgs/os-specific/linux/pam_mount/default.nix
index c38990bdf8fd..29ed9375c2e3 100644
--- a/pkgs/os-specific/linux/pam_mount/default.nix
+++ b/pkgs/os-specific/linux/pam_mount/default.nix
@@ -27,10 +27,11 @@ stdenv.mkDerivation rec {
     rm -r $out/nix
     '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://pam-mount.sourceforge.net/;
     description = "PAM module to mount volumes for a user session";
-    maintainers = [ stdenv.lib.maintainers.tstrobel ];
-    platforms = stdenv.lib.platforms.linux;
+    maintainers = [ maintainers.tstrobel ];
+    license = with licenses; [ gpl2 gpl3 lgpl21 lgpl3 ];
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/os-specific/linux/perf-tools/default.nix b/pkgs/os-specific/linux/perf-tools/default.nix
index 31f86965ee8d..ee12251ae5e3 100644
--- a/pkgs/os-specific/linux/perf-tools/default.nix
+++ b/pkgs/os-specific/linux/perf-tools/default.nix
@@ -34,10 +34,11 @@ stdenv.mkDerivation {
       mv $d/man $out/share/
     '';
 
-  meta = {
-    platforms = lib.platforms.linux;
+  meta = with stdenv.lib; {
+    platforms = platforms.linux;
     homepage = https://github.com/brendangregg/perf-tools;
     description = "Performance analysis tools based on Linux perf_events (aka perf) and ftrace";
-    maintainers = [ lib.maintainers.eelco ];
+    maintainers = [ maintainers.eelco ];
+    license = licenses.gpl2;
   };
 }
diff --git a/pkgs/os-specific/linux/rfkill/default.nix b/pkgs/os-specific/linux/rfkill/default.nix
index 48be4fbc3438..6b6bef29cc36 100644
--- a/pkgs/os-specific/linux/rfkill/default.nix
+++ b/pkgs/os-specific/linux/rfkill/default.nix
@@ -10,10 +10,11 @@ stdenv.mkDerivation rec {
 
   makeFlags = "PREFIX=$(out)";
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://wireless.kernel.org/en/users/Documentation/rfkill;
     description = "A tool to query, enable and disable wireless devices";
-    platforms = stdenv.lib.platforms.linux;
-    maintainers = [ stdenv.lib.maintainers.eelco ];
+    platforms = platforms.linux;
+    maintainers = [ maintainers.eelco ];
+    license = licenses.isc;
   };
 }
diff --git a/pkgs/os-specific/linux/rtkit/default.nix b/pkgs/os-specific/linux/rtkit/default.nix
index 868dcc9a58ea..059b09449619 100644
--- a/pkgs/os-specific/linux/rtkit/default.nix
+++ b/pkgs/os-specific/linux/rtkit/default.nix
@@ -35,9 +35,10 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ dbus libcap ];
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://0pointer.de/blog/projects/rtkit;
     description = "A daemon that hands out real-time priority to processes";
-    platforms = stdenv.lib.platforms.linux;
+    license = with licenses; [ gpl3 bsd0 ]; # lib is bsd license
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/os-specific/linux/udisks/1-default.nix b/pkgs/os-specific/linux/udisks/1-default.nix
index bdc6a63f0697..d48c21f6b52a 100644
--- a/pkgs/os-specific/linux/udisks/1-default.nix
+++ b/pkgs/os-specific/linux/udisks/1-default.nix
@@ -35,9 +35,10 @@ stdenv.mkDerivation rec {
 
   configureFlags = [ "--localstatedir=/var" "--enable-lvm2" ];
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://www.freedesktop.org/wiki/Software/udisks;
     description = "A daemon and command-line utility for querying and manipulating storage devices";
-    platforms = stdenv.lib.platforms.linux;
+    platforms = platforms.linux;
+    license = with licenses; [ gpl2 lgpl2Plus ];
   };
 }
diff --git a/pkgs/os-specific/linux/usbutils/default.nix b/pkgs/os-specific/linux/usbutils/default.nix
index adb2a0ee2fb1..657d6cc24a8d 100644
--- a/pkgs/os-specific/linux/usbutils/default.nix
+++ b/pkgs/os-specific/linux/usbutils/default.nix
@@ -17,9 +17,10 @@ stdenv.mkDerivation rec {
         --replace /usr/share/usb.ids ${hwdata}/data/hwdata/usb.ids
     '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://www.linux-usb.org/;
     description = "Tools for working with USB devices, such as lsusb";
-    platforms = stdenv.lib.platforms.linux;
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/os-specific/linux/wpa_supplicant/gui.nix b/pkgs/os-specific/linux/wpa_supplicant/gui.nix
index f4ef1b1498f8..891de61c0170 100644
--- a/pkgs/os-specific/linux/wpa_supplicant/gui.nix
+++ b/pkgs/os-specific/linux/wpa_supplicant/gui.nix
@@ -23,8 +23,10 @@ stdenv.mkDerivation {
     cp -av icons/hicolor $out/share/icons
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "Qt-based GUI for wpa_supplicant";
-    platforms = stdenv.lib.platforms.linux;
+    homepage = http://hostap.epitest.fi/wpa_supplicant/;
+    license = licenses.bsd3;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/servers/fingerd/bsd-fingerd/default.nix b/pkgs/servers/fingerd/bsd-fingerd/default.nix
index f7f2f93cf99e..d5671921abad 100644
--- a/pkgs/servers/fingerd/bsd-fingerd/default.nix
+++ b/pkgs/servers/fingerd/bsd-fingerd/default.nix
@@ -18,7 +18,8 @@ stdenv.mkDerivation rec {
 
   preInstall = '' mkdir -p $out/man/man8 $out/sbin '';
 
-  meta = {
-    platforms = stdenv.lib.platforms.linux;
+  meta = with stdenv.lib; {
+    platforms = platforms.linux;
+    license = licenses.bsdOriginal;
   };
 }