diff --git a/data/metadata.json b/data/metadata.json
index 83679b6..9212564 100644
--- a/data/metadata.json
+++ b/data/metadata.json
@@ -7,7 +7,9 @@
         "platforms": ["Windows", "MacOSX", "Linux"],
         "touchfriendly": false,
         "keyboardoriented": true,
-        "license": "[GNU General Public License version 3 (GPLv3)](https://www.gnu.org/licenses/gpl-3.0.html)"
+        "category": "Terminal",
+        "license": "[GNU General Public License version 3 (GPLv3)](https://www.gnu.org/licenses/gpl-3.0.html)",
+        "spdx": "GPL-3.0+"
     },
     "logarithmplotter": {
         "name": "LogarithmPlotter",
@@ -17,7 +19,9 @@
         "platforms": ["Windows", "MacOSX", "Linux"],
         "touchfriendly": true,
         "keyboardoriented": true,
-        "license": "[GNU General Public License version 3 (GPLv3)](https://www.gnu.org/licenses/gpl-3.0.html)"
+        "category": "Science",
+        "license": "[GNU General Public License version 3 (GPLv3)](https://www.gnu.org/licenses/gpl-3.0.html)",
+        "spdx": "GPL-3.0+"
     },
     "accountfree": {
         "name": "AccountFree",
@@ -27,7 +31,8 @@
         "platforms": ["Windows", "MacOSX", "Linux"],
         "touchfriendly": true,
         "keyboardoriented": false,
-        "license": "[GNU General Public License version 3 (GPLv3)](https://www.gnu.org/licenses/gpl-3.0.html)"
+        "license": "[GNU General Public License version 3 (GPLv3)](https://www.gnu.org/licenses/gpl-3.0.html)",
+        "spdx": "GPL-3.0+"
     },
     "ad5001.eu": {
         "name": "ad5001.eu",
@@ -37,7 +42,9 @@
         "platforms": ["Web"],
         "touchfriendly": true,
         "keyboardoriented": false,
-        "license": "[GNU General Public License version 3 (GPLv3)](https://www.gnu.org/licenses/gpl-3.0.html)"
+        "category": "Website",
+        "license": "[GNU General Public License version 3 (GPLv3)](https://www.gnu.org/licenses/gpl-3.0.html)",
+        "spdx": "GPL-3.0+"
     },
     "omegamma": {
         "name": "Omegamma",
@@ -47,7 +54,9 @@
         "platforms": ["Web"],
         "touchfriendly": true,
         "keyboardoriented": false,
-        "license": "[GNU General Public License version 3 (GPLv3)](https://www.gnu.org/licenses/gpl-3.0.html)"
+        "category": "Website",
+        "license": "[GNU General Public License version 3 (GPLv3)](https://www.gnu.org/licenses/gpl-3.0.html)",
+        "spdx": "GPL-3.0+"
     },
     "unchecker": {
         "name": "unchecker",
@@ -57,7 +66,9 @@
         "platforms": ["Firefox"],
         "touchfriendly": true,
         "keyboardoriented": false,
-        "license": "[Mozilla Public License version 2 (MPLv2)](https://www.mozilla.org/en-US/MPL/2.0/)"
+        "category": "Utilitary",
+        "license": "[Mozilla Public License version 2 (MPLv2)](https://www.mozilla.org/en-US/MPL/2.0/)",
+        "spdx": "MPL-2.0"
     }
 }
 
diff --git a/themes/omegamma b/themes/omegamma
index ed60f3d..8e81b62 160000
--- a/themes/omegamma
+++ b/themes/omegamma
@@ -1 +1 @@
-Subproject commit ed60f3d0918fb15108aac2148797774692080906
+Subproject commit 8e81b6252ca72e85ac3d9d98464889ff17ab04b8