diff --git a/README.md b/README.md
index 5296722..09b9681 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 # korganizer
 
+A calendar-of-events and todo-list manager.
+This package is part of KDE5, as a component of the KDE5 kdepim module.
+
diff --git a/korganizer.spec b/korganizer.spec
new file mode 100644
index 0000000..bbbe440
--- /dev/null
+++ b/korganizer.spec
@@ -0,0 +1,187 @@
+%define majver %(echo %version | cut -d. -f1-2)
+
+Name:          korganizer
+Version:       16.12.1
+Release:       1mamba
+Summary:       KDE Frameworks 5 calendar-of-events and todo-list manager
+Group:         Graphical Desktop/Applications/Internet
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://www.kde.org
+Source:        http://download.kde.org/stable/applications/%{version}/src/korganizer-%{version}.tar.xz
+# Source:        http://download.kde.org/stable/frameworks/%{majver}/...-%{version}.tar.xz
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: kdepim-apps-libs-devel
+BuildRequires: libakonadi-calendar-devel
+BuildRequires: libakonadi-contacts-devel
+BuildRequires: libakonadi-devel
+BuildRequires: libakonadi-mime-devel
+BuildRequires: libakonadi-notes-devel
+BuildRequires: libakonadi-search-devel
+BuildRequires: libassuan-devel
+BuildRequires: libattica5-devel
+BuildRequires: libcalendarsupport-devel
+BuildRequires: libeventviews-devel
+BuildRequires: libgcc
+BuildRequires: libgpg-error-devel
+BuildRequires: libgpgme-devel
+BuildRequires: libical-devel
+BuildRequires: libincidenceeditor-devel
+BuildRequires: libkauth-devel
+BuildRequires: libkbookmarks-devel
+BuildRequires: libkcalcore-devel
+BuildRequires: libkcalutils-devel
+BuildRequires: libkcmutils-devel
+BuildRequires: libkcodecs-devel
+BuildRequires: libkcompletion-devel
+BuildRequires: libkconfig-devel
+BuildRequires: libkconfigwidgets-devel
+BuildRequires: libkcontacts-devel
+BuildRequires: libkcoreaddons-devel
+BuildRequires: libkcrash-devel
+BuildRequires: libkdbusaddons-devel
+BuildRequires: libkdelibs4support-devel
+BuildRequires: libkdepim-devel
+BuildRequires: libkguiaddons-devel
+BuildRequires: libkholidays-devel
+BuildRequires: libki18n-devel
+BuildRequires: libkiconthemes-devel
+BuildRequires: libkidentitymanagement-devel
+BuildRequires: libkio-devel
+BuildRequires: libkitemmodels-devel
+BuildRequires: libkitemviews-devel
+BuildRequires: libkjobwidgets-devel
+BuildRequires: libkldap-devel
+BuildRequires: libkleo-devel
+BuildRequires: libkmailtransport-devel
+BuildRequires: libkmime-devel
+BuildRequires: libknewstuff-devel
+BuildRequires: libknotifications-devel
+BuildRequires: libkontactinterface-devel
+BuildRequires: libkparts-devel
+BuildRequires: libkpimtextedit-devel
+BuildRequires: libkservice-devel
+BuildRequires: libktextwidgets-devel
+BuildRequires: libkunitconversion-devel
+BuildRequires: libkwallet-devel
+BuildRequires: libkwidgetsaddons-devel
+BuildRequires: libkwindowsystem-devel
+BuildRequires: libkxmlgui-devel
+BuildRequires: libmailcommon-devel
+BuildRequires: libphonon-qt5-devel
+BuildRequires: libpimcommon-devel
+BuildRequires: libqt5-devel
+BuildRequires: libsolid-devel
+BuildRequires: libsonnet-devel
+BuildRequires: libstdc++6-devel
+BuildRequires: messagelib-devel
+## AUTOBUILDREQ-END
+BuildRequires: cmake
+BuildRequires: rpm-macros-kde5
+BuildRequires: extra-cmake-modules
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+Provides:      korganizer4
+Obsoletes:     korganizer4
+Obsoletes:     kdepim-core
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+A calendar-of-events and todo-list manager.
+This package is part of KDE5, as a component of the KDE5 kdepim module.
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       Shared libraries for %{name}
+Obsoletes:     kdepim-core
+
+%description -n lib%{name}
+This package contains shared libraries for %{name}.
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+%debug_package
+
+%prep
+%setup -q
+
+%build
+%cmake_kde5 -d build
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall -C build
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -n lib%{name}
+/sbin/ldconfig
+exit 0
+
+%postun -n lib%{name}
+/sbin/ldconfig
+exit 0
+
+%files
+%defattr(-,root,root)
+%{_sysconfdir}/xdg/autostart/org.kde.korgac.desktop
+%{_sysconfdir}/xdg/korganizer.categories
+%{_sysconfdir}/xdg/korganizer.knsrc
+%{_sysconfdir}/xdg/korganizer.renamecategories
+%{_bindir}/ical2vcal
+%{_bindir}/korgac
+%{_bindir}/korganizer
+%{_libdir}/libkorganizer_core.so
+%{_libdir}/libkorganizer_interfaces.so
+%{_datadir}/applications/korganizer-import.desktop
+%{_datadir}/applications/org.kde.korganizer.desktop
+%{_datadir}/config.kcfg/korganizer.kcfg
+%{_datadir}/dbus-1/interfaces/org.kde.Korganizer.Calendar.xml
+%{_datadir}/dbus-1/interfaces/org.kde.korganizer.KOrgac.xml
+%{_datadir}/dbus-1/interfaces/org.kde.korganizer.Korganizer.xml
+%dir %{_datadir}/doc/HTML/en/korganizer
+%{_datadir}/doc/HTML/en/korganizer/*
+%{_datadir}/icons/hicolor/*/apps/korg-journal.png
+%{_datadir}/icons/hicolor/*/apps/korg-todo.png
+%{_datadir}/icons/hicolor/*/apps/korganizer.png
+%{_datadir}/icons/hicolor/*/apps/quickview.png
+%{_datadir}/icons/hicolor/scalable/apps/quickview.svgz
+%{_datadir}/icons/oxygen/*/actions/smallclock.png
+%{_datadir}/icons/oxygen/*/actions/upindicator.png
+%{_datadir}/icons/oxygen/*/actions/checkmark.png
+%{_datadir}/kconf_update/korganizer-15.08-kickoff.sh
+%{_datadir}/kconf_update/korganizer.upd
+%{_datadir}/kontact/ksettingsdialog/korganizer.setdlg
+%{_datadir}/kontact/ksettingsdialog/specialdates.setdlg
+%{_datadir}/korgac/icons/hicolor/*/apps/korgac.png
+%{_datadir}/korganizer/sounds/*.wav
+%{_datadir}/kservices5/*.desktop
+%{_datadir}/kservices5/kontact/*.desktop
+%{_datadir}/kservices5/webcal.protocol
+%{_kde5_servicetypesdir}/dbuscalendar.desktop
+%{_datadir}/kxmlgui5/korganizer/korganizer_part.rc
+%{_datadir}/kxmlgui5/korganizer/korganizerui.rc
+%{_datadir}/metainfo/org.kde.korganizer.appdata.xml
+%doc COPYING COPYING.DOC
+
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_libdir}/libkorganizer_core.so.*
+%{_libdir}/libkorganizer_interfaces.so.*
+%{_libdir}/libkorganizerprivate.so.*
+%{_libdir}/qt5/plugins/*.so
+%doc AUTHORS COPYING.LIB LICENSE
+
+%changelog
+* Sat Jan 28 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 16.12.1-1mamba
+- package created using the webbuild interface