openbox-tiling/applications-rc.xml

  <keyboard>
   <keybind key="C-1">""      <action name="Unmaximize"/>""      <action name="MoveResizeTo">""        <x>0</x>""        <y>0</y>""        <width>50%</width>""        <height>100%</height>""      </action>""    </keybind>
    <keybind key="C-2">""      <action name="Unmaximize"/>""      <action name="MoveResizeTo">""        <x>-0</x>""        <y>0</y>""        <width>50%</width>""        <height>100%</height>""      </action>""    </keybind>
    <keybind key="C-3">""      <action name="Unmaximize"/>""      <action name="MoveResizeTo">""        <x>0</x>""        <y>0</y>""        <width>66%</width>""        <height>100%</height>""      </action>""    </keybind>
    <keybind key="C-4">""      <action name="Unmaximize"/>""      <action name="MoveResizeTo">""        <x>-0</x>""        <y>0</y>""        <width>33%</width>""        <height>100%</height>""      </action>""    </keybind>
     </keyboard>



 <applications>
    <application class="*">
      <decor>no</decor>
    </application>

    <application class="Yad">
      <decor>yes</decor>
    </application>