diff --git a/annotations/__init__.py b/sloth/__init__.py
similarity index 100%
rename from annotations/__init__.py
rename to sloth/__init__.py
diff --git a/core/__init__.py b/sloth/annotations/__init__.py
similarity index 100%
rename from core/__init__.py
rename to sloth/annotations/__init__.py
diff --git a/annotations/container.py b/sloth/annotations/container.py
similarity index 100%
rename from annotations/container.py
rename to sloth/annotations/container.py
diff --git a/annotations/model.py b/sloth/annotations/model.py
similarity index 100%
rename from annotations/model.py
rename to sloth/annotations/model.py
diff --git a/labeltool.py b/sloth/bin/labeltool.py
similarity index 97%
rename from labeltool.py
rename to sloth/bin/labeltool.py
index ae45f09..0600c4d 100755
--- a/labeltool.py
+++ b/sloth/bin/labeltool.py
@@ -1,18 +1,18 @@
 #!/usr/bin/python
 import sys, os
-INSTALLDIR=os.path.dirname(__file__)
+INSTALLDIR=os.path.join(os.path.dirname(__file__), '../gui')
 sys.path.append(INSTALLDIR)
 
 import functools, importlib
 from PyQt4.QtGui import *
 from PyQt4.QtCore import *
 import PyQt4.uic as uic
-import qrc_icons
-from buttonarea import *
+from gui import qrc_icons
+from gui.buttonarea import *
 from annotations.model import *
 from annotations.container import AnnotationContainerFactory, AnnotationContainer
-from annotationscene import *
-from frameviewer import *
+from gui.annotationscene import *
+from gui.frameviewer import *
 from optparse import OptionParser
 from conf import config
 
@@ -82,7 +82,7 @@ class MainWindow(QMainWindow):
     ### GUI/Application setup
     ###___________________________________________________________________________________________
     def setupGui(self):
-        self.ui = uic.loadUi(os.path.join(INSTALLDIR,"labeltool.ui"), self)
+        self.ui = uic.loadUi(os.path.join(INSTALLDIR, "labeltool.ui"), self)
 
         self.scene = AnnotationScene(items=config.ITEMS, inserters=config.INSERTERS)
         self.view = GraphicsView(self)
diff --git a/conf/__init__.py b/sloth/conf/__init__.py
similarity index 100%
rename from conf/__init__.py
rename to sloth/conf/__init__.py
diff --git a/conf/default_config.py b/sloth/conf/default_config.py
similarity index 100%
rename from conf/default_config.py
rename to sloth/conf/default_config.py
diff --git a/sloth/core/__init__.py b/sloth/core/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/core/exceptions.py b/sloth/core/exceptions.py
similarity index 100%
rename from core/exceptions.py
rename to sloth/core/exceptions.py
diff --git a/sloth/gui/__init__.py b/sloth/gui/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/annotationscene.py b/sloth/gui/annotationscene.py
similarity index 100%
rename from annotationscene.py
rename to sloth/gui/annotationscene.py
diff --git a/buttonarea.py b/sloth/gui/buttonarea.py
similarity index 100%
rename from buttonarea.py
rename to sloth/gui/buttonarea.py
diff --git a/frameviewer.py b/sloth/gui/frameviewer.py
similarity index 100%
rename from frameviewer.py
rename to sloth/gui/frameviewer.py
diff --git a/icons.qrc b/sloth/gui/icons.qrc
similarity index 100%
rename from icons.qrc
rename to sloth/gui/icons.qrc
diff --git a/icons/arrow_left.png b/sloth/gui/icons/arrow_left.png
similarity index 100%
rename from icons/arrow_left.png
rename to sloth/gui/icons/arrow_left.png
diff --git a/icons/arrow_right.png b/sloth/gui/icons/arrow_right.png
similarity index 100%
rename from icons/arrow_right.png
rename to sloth/gui/icons/arrow_right.png
diff --git a/icons/disk.png b/sloth/gui/icons/disk.png
similarity index 100%
rename from icons/disk.png
rename to sloth/gui/icons/disk.png
diff --git a/icons/door_in.png b/sloth/gui/icons/door_in.png
similarity index 100%
rename from icons/door_in.png
rename to sloth/gui/icons/door_in.png
diff --git a/icons/door_out.png b/sloth/gui/icons/door_out.png
similarity index 100%
rename from icons/door_out.png
rename to sloth/gui/icons/door_out.png
diff --git a/icons/folder_table.png b/sloth/gui/icons/folder_table.png
similarity index 100%
rename from icons/folder_table.png
rename to sloth/gui/icons/folder_table.png
diff --git a/icons/page_white.png b/sloth/gui/icons/page_white.png
similarity index 100%
rename from icons/page_white.png
rename to sloth/gui/icons/page_white.png
diff --git a/icons/page_white_text.png b/sloth/gui/icons/page_white_text.png
similarity index 100%
rename from icons/page_white_text.png
rename to sloth/gui/icons/page_white_text.png
diff --git a/icons/picture_add.png b/sloth/gui/icons/picture_add.png
similarity index 100%
rename from icons/picture_add.png
rename to sloth/gui/icons/picture_add.png
diff --git a/icons/zoom.png b/sloth/gui/icons/zoom.png
similarity index 100%
rename from icons/zoom.png
rename to sloth/gui/icons/zoom.png
diff --git a/icons/zoom_in.png b/sloth/gui/icons/zoom_in.png
similarity index 100%
rename from icons/zoom_in.png
rename to sloth/gui/icons/zoom_in.png
diff --git a/icons/zoom_out.png b/sloth/gui/icons/zoom_out.png
similarity index 100%
rename from icons/zoom_out.png
rename to sloth/gui/icons/zoom_out.png
diff --git a/labeltool.ui b/sloth/gui/labeltool.ui
similarity index 100%
rename from labeltool.ui
rename to sloth/gui/labeltool.ui
diff --git a/qrc_icons.py b/sloth/gui/qrc_icons.py
similarity index 100%
rename from qrc_icons.py
rename to sloth/gui/qrc_icons.py
diff --git a/items/__init__.py b/sloth/items/__init__.py
similarity index 100%
rename from items/__init__.py
rename to sloth/items/__init__.py
diff --git a/items/factory.py b/sloth/items/factory.py
similarity index 100%
rename from items/factory.py
rename to sloth/items/factory.py
diff --git a/items/inserters.py b/sloth/items/inserters.py
similarity index 100%
rename from items/inserters.py
rename to sloth/items/inserters.py
diff --git a/items/items.py b/sloth/items/items.py
similarity index 100%
rename from items/items.py
rename to sloth/items/items.py