--- a
+++ b/dosma/app.py
@@ -0,0 +1,12 @@
+import matplotlib
+
+matplotlib.use("TkAgg")
+
+from dosma.gui.ims import DosmaViewer  # noqa: E402
+from dosma.utils.logger import setup_logger  # noqa: E402
+
+# Initialize logger for the GUI.
+setup_logger()
+
+app = DosmaViewer()
+app.mainloop()