diff --git a/desktop/toolkit/gtk/gtkmm3/actions.py b/desktop/toolkit/gtk/gtkmm3/actions.py
new file mode 100644
index 0000000000..698785b6dc
--- /dev/null
+++ b/desktop/toolkit/gtk/gtkmm3/actions.py
@@ -0,0 +1,24 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#
+# Licensed under the GNU General Public License, version 3.
+# See the file http://www.gnu.org/licenses/gpl.txt
+
+from pisi.actionsapi import autotools
+from pisi.actionsapi import pisitools
+
+def setup():
+    autotools.configure("--disable-static")
+
+    pisitools.dosed("libtool", " -shared ", " -Wl,-O1,--as-needed -shared ")
+
+    pisitools.dosed("libtool", "^(hardcode_libdir_flag_spec=).*", '\\1""')
+    pisitools.dosed("libtool", "^(runpath_var=)LD_RUN_PATH", "\\1DIE_RPATH_DIE")
+
+def build():
+    autotools.make()
+
+def install():
+    autotools.install()
+
+    pisitools.dodoc("ChangeLog","COPYING", "NEWS", "README")
diff --git a/desktop/toolkit/gtk/gtkmm3/pspec.xml b/desktop/toolkit/gtk/gtkmm3/pspec.xml
new file mode 100644
index 0000000000..86f23781c2
--- /dev/null
+++ b/desktop/toolkit/gtk/gtkmm3/pspec.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0" ?>
+<!DOCTYPE PISI SYSTEM "http://www.pisilinux.org/projeler/pisi/pisi-spec.dtd">
+<PISI>
+    <Source>
+        <Name>gtkmm3</Name>
+        <Homepage>https://sourceforge.net/projects/gtkmm/</Homepage>
+        <Packager>
+            <Name>PisiLinux Community</Name>
+            <Email>admins@pisilinux.org</Email>
+        </Packager>
+        <License>LGPLv2.1</License>
+        <IsA>library</IsA>
+        <Summary>C++ binding for GTK+</Summary>
+        <Description>gtkmm is the official C++ interface for the popular GUI library GTK+. Highlights include typesafe callbacks, and a comprehensive set of widgets that are easily extensible via inheritance.</Description>
+        <Archive sha1sum="2b65ff352fde95b6054e1accc4fb6571bb988b52" type="tarxz">http://ftp.gnome.org/pub/GNOME/sources/gtkmm/3.24/gtkmm-3.24.2.tar.xz</Archive>
+        <BuildDependencies>
+            <Dependency>gtk3-devel</Dependency>
+            <Dependency>atkmm-devel</Dependency>
+            <Dependency>glibmm-devel</Dependency>
+            <Dependency>cairomm-devel</Dependency>
+            <Dependency>gdk-pixbuf-devel</Dependency>
+            <Dependency>pangomm-devel</Dependency>
+        </BuildDependencies>
+    </Source>
+
+    <Package>
+        <Name>gtkmm3</Name>
+        <RuntimeDependencies>
+            <Dependency>gtk3</Dependency>
+            <Dependency>atkmm</Dependency>
+            <Dependency>glib2</Dependency>
+            <Dependency>glibmm</Dependency>
+            <Dependency>libgcc</Dependency>
+            <Dependency>cairomm</Dependency>
+            <Dependency>pangomm</Dependency>
+            <Dependency>libsigc++</Dependency>
+            <Dependency>gdk-pixbuf</Dependency>
+        </RuntimeDependencies>
+        <Files>
+            <Path fileType="library">/usr/lib/libgdkmm*</Path>
+            <Path fileType="library">/usr/lib/libgtkmm*</Path>
+            <Path fileType="library">/usr/lib/gdkmm-3.0</Path>
+            <Path fileType="library">/usr/lib/gtkmm-3.0</Path>
+            <Path fileType="doc">/usr/share/doc</Path>
+            <Path fileType="doc">/usr/share</Path>
+        </Files>
+    </Package>
+
+    <Package>
+        <Name>gtkmm3-devel</Name>
+        <Summary>Development files for gtkmm</Summary>
+        <RuntimeDependencies>
+            <Dependency release="current">gtkmm3</Dependency>
+            <Dependency>atkmm-devel</Dependency>
+            <Dependency>pangomm-devel</Dependency>
+            <Dependency>glibmm-devel</Dependency>
+            <Dependency>gtk3-devel</Dependency>
+            <Dependency>cairomm-devel</Dependency>
+            <Dependency>gdk-pixbuf-devel</Dependency>
+        </RuntimeDependencies>
+        <Files>
+            <Path fileType="header">/usr/include</Path>
+            <Path fileType="data">/usr/lib/pkgconfig</Path>
+        </Files>
+    </Package>
+
+    <History>
+        <Update release="1">
+            <Date>2020-02-13</Date>
+            <Version>3.24.2</Version>
+            <Comment>First release</Comment>
+            <Name>Ayhan Yalçınsoy</Name>
+            <Email>ayhanyalcinsoy@pisilinux.org</Email>
+        </Update>
+    </History>
+</PISI>
diff --git a/desktop/toolkit/gtk/gtkmm3/translations.xml b/desktop/toolkit/gtk/gtkmm3/translations.xml
new file mode 100644
index 0000000000..bad3ce384e
--- /dev/null
+++ b/desktop/toolkit/gtk/gtkmm3/translations.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" ?>
+<PISI>
+    <Source>
+        <Name>gtkmm</Name>
+        <Summary xml:lang="tr">GTK+ için C++ bağlamı</Summary>
+        <Description xml:lang="tr">gtkmm, grafik kullanıcı arayüzü kitaplığı GTK+'nın resmi C++ arayüzüdür. Tip-güvenli geri çağırmalar ve mirasla genişleyebilen tutarlı parçacıklardan oluşması, en önemli özelliklerini oluşturur.</Description>
+        <Description xml:lang="fr">gtkmm est l'interface C++ officiel de la librairie d'IHM GTK+. Au menu des callbacks (rappels) typesafe (avec vérification de type à la compilation) ainsi qu'un ensemble large et complet de widgets (objets graphiques) facilement extensible via héritage.</Description>
+    </Source>
+
+    <Package>
+        <Name>gtkmm-devel</Name>
+        <Summary xml:lang="tr">gtkmm için geliştirme dosyaları</Summary>
+    </Package>
+</PISI>